eventespresso / event-espresso-core

core/domain/services/admin/events/editor/AdvancedEditorData.php

Indentation +453 added lines, -453 removed lines

@@ -34,221 +34,221 @@ 
 class AdvancedEditorData
 {
 
-    /**
-     * @var string $namespace The graphql namespace/prefix.
-     */
-    protected $namespace = 'Espresso';
-
-    /**
-     * @var EE_Event
-     */
-    protected $event;
-
-    /**
-     * @var EE_Admin_Config
-     */
-    protected $admin_config;
-    /**
-     * @var EEM_Datetime $datetime_model
-     */
-    protected $datetime_model;
-    /**
-     * @var EEM_Price $price_model
-     */
-    protected $price_model;
-    /**
-     * @var EEM_Ticket $ticket_model
-     */
-    protected $ticket_model;
-
-
-    /**
-     * AdvancedEditorAdminForm constructor.
-     *
-     * @param EE_Event        $event
-     * @param EE_Admin_Config $admin_config
-     * @param EEM_Datetime    $datetime_model
-     * @param EEM_Price       $price_model
-     * @param EEM_Ticket      $ticket_model
-     */
-    public function __construct(
-        EE_Event $event,
-        EE_Admin_Config $admin_config,
-        EEM_Datetime $datetime_model,
-        EEM_Price $price_model,
-        EEM_Ticket $ticket_model
-    ) {
-        $this->event = $event;
-        $this->admin_config = $admin_config;
-        $this->datetime_model = $datetime_model;
-        $this->price_model = $price_model;
-        $this->ticket_model = $ticket_model;
-        add_action('admin_enqueue_scripts', [$this, 'loadScriptsStyles']);
-    }
-
-
-    /**
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ModelConfigurationException
-     * @throws ReflectionException
-     * @throws UnexpectedEntityException
-     * @throws DomainException
-     * @since $VID:$
-     */
-    public function loadScriptsStyles()
-    {
-        if ($this->admin_config->useAdvancedEditor()) {
-            $eventId = $this->event instanceof EE_Event ? $this->event->ID() : 0;
-            if (! $eventId) {
-                global $post;
-                $eventId = isset($_REQUEST['post']) ? absint($_REQUEST['post']) : 0;
-                $eventId = $eventId === 0 && $post instanceof WP_Post && $post->post_type === 'espresso_events'
-                    ? $post->ID
-                    : $eventId;
-            }
-            if ($eventId) {
-                $data = $this->getEditorData($eventId);
-                $data = wp_json_encode($data);
-                add_action(
-                    'admin_footer',
-                    static function () use ($data) {
-                        wp_add_inline_script(
-                            EspressoEditorAssetManager::JS_HANDLE_EDITOR,
-                            "
+	/**
+	 * @var string $namespace The graphql namespace/prefix.
+	 */
+	protected $namespace = 'Espresso';
+
+	/**
+	 * @var EE_Event
+	 */
+	protected $event;
+
+	/**
+	 * @var EE_Admin_Config
+	 */
+	protected $admin_config;
+	/**
+	 * @var EEM_Datetime $datetime_model
+	 */
+	protected $datetime_model;
+	/**
+	 * @var EEM_Price $price_model
+	 */
+	protected $price_model;
+	/**
+	 * @var EEM_Ticket $ticket_model
+	 */
+	protected $ticket_model;
+
+
+	/**
+	 * AdvancedEditorAdminForm constructor.
+	 *
+	 * @param EE_Event        $event
+	 * @param EE_Admin_Config $admin_config
+	 * @param EEM_Datetime    $datetime_model
+	 * @param EEM_Price       $price_model
+	 * @param EEM_Ticket      $ticket_model
+	 */
+	public function __construct(
+		EE_Event $event,
+		EE_Admin_Config $admin_config,
+		EEM_Datetime $datetime_model,
+		EEM_Price $price_model,
+		EEM_Ticket $ticket_model
+	) {
+		$this->event = $event;
+		$this->admin_config = $admin_config;
+		$this->datetime_model = $datetime_model;
+		$this->price_model = $price_model;
+		$this->ticket_model = $ticket_model;
+		add_action('admin_enqueue_scripts', [$this, 'loadScriptsStyles']);
+	}
+
+
+	/**
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ModelConfigurationException
+	 * @throws ReflectionException
+	 * @throws UnexpectedEntityException
+	 * @throws DomainException
+	 * @since $VID:$
+	 */
+	public function loadScriptsStyles()
+	{
+		if ($this->admin_config->useAdvancedEditor()) {
+			$eventId = $this->event instanceof EE_Event ? $this->event->ID() : 0;
+			if (! $eventId) {
+				global $post;
+				$eventId = isset($_REQUEST['post']) ? absint($_REQUEST['post']) : 0;
+				$eventId = $eventId === 0 && $post instanceof WP_Post && $post->post_type === 'espresso_events'
+					? $post->ID
+					: $eventId;
+			}
+			if ($eventId) {
+				$data = $this->getEditorData($eventId);
+				$data = wp_json_encode($data);
+				add_action(
+					'admin_footer',
+					static function () use ($data) {
+						wp_add_inline_script(
+							EspressoEditorAssetManager::JS_HANDLE_EDITOR,
+							"
 var eeEditorData={$data};
 ",
-                            'before'
-                        );
-                    }
-                );
-                add_action(
-                    'admin_footer',
-                    static function () use ($data) {
-                        wp_add_inline_script(
-                            EspressoEditorAssetManager::JS_HANDLE_EDITOR_PROTOTYPE,
-                            "
+							'before'
+						);
+					}
+				);
+				add_action(
+					'admin_footer',
+					static function () use ($data) {
+						wp_add_inline_script(
+							EspressoEditorAssetManager::JS_HANDLE_EDITOR_PROTOTYPE,
+							"
 var eeEditorData={$data};
 ",
-                            'before'
-                        );
-                    }
-                );
-            }
-        }
-    }
-
-
-    /**
-     * @param int $eventId
-     * @return array
-     * @throws EE_Error
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ModelConfigurationException
-     * @throws UnexpectedEntityException
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws DomainException
-     * @since $VID:$
-     */
-    protected function getEditorData($eventId)
-    {
-        $event = $this->getEventGraphQLData($eventId);
-        $event['dbId'] = $eventId;
-
-        $graphqlEndpoint = class_exists('WPGraphQL') ? trailingslashit(site_url()) . Router::$route : '';
-        $graphqlEndpoint = esc_url($graphqlEndpoint);
-
-        $currentUser = $this->getGraphQLCurrentUser();
-
-        $generalSettings = $this->getGraphQLGeneralSettings();
-
-        return compact('event', 'graphqlEndpoint', 'currentUser', 'generalSettings');
-    }
-
-
-    /**
-     * @param int $eventId
-     * @return array
-     * @since $VID:$
-     */
-    protected function getEventGraphQLData($eventId)
-    {
-        $datetimes = $this->getGraphQLDatetimes($eventId);
-
-        if (empty($datetimes['nodes']) || (isset($_REQUEST['action']) && $_REQUEST['action'] === 'create_new')) {
-            $this->addDefaultEntities($eventId);
-            $datetimes = $this->getGraphQLDatetimes($eventId);
-        }
-
-        if (! empty($datetimes['nodes'])) {
-            $datetimeIn = wp_list_pluck($datetimes['nodes'], 'id');
-
-            if (! empty($datetimeIn)) {
-                $tickets = $this->getGraphQLTickets($datetimeIn);
-            }
-        }
-
-        if (! empty($tickets['nodes'])) {
-            $ticketIn = wp_list_pluck($tickets['nodes'], 'id');
-
-            if (! empty($ticketIn)) {
-                $prices = $this->getGraphQLPrices($ticketIn);
-            }
-        }
-
-        $priceTypes = $this->getGraphQLPriceTypes();
-
-        $relations = $this->getRelationalData($eventId);
-
-        return compact('datetimes', 'tickets', 'prices', 'priceTypes', 'relations');
-    }
-
-    /**
-     * @param int $eventId
-     * @throws DomainException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ModelConfigurationException
-     * @throws ReflectionException
-     * @throws UnexpectedEntityException
-     * @since $VID:$
-     */
-    protected function addDefaultEntities($eventId)
-    {
-        $default_dates = $this->datetime_model->create_new_blank_datetime();
-        if (is_array($default_dates) && isset($default_dates[0]) && $default_dates[0] instanceof EE_Datetime) {
-            $default_date = $default_dates[0];
-            $default_date->save();
-            $default_date->_add_relation_to($eventId, 'Event');
-            $default_tickets = $this->ticket_model->get_all_default_tickets();
-            $default_prices = $this->price_model->get_all_default_prices();
-            foreach ($default_tickets as $default_ticket) {
-                $default_ticket->save();
-                $default_ticket->_add_relation_to($default_date, 'Datetime');
-                foreach ($default_prices as $default_price) {
-                    $default_price->save();
-                    $default_price->_add_relation_to($default_ticket, 'Ticket');
-                }
-            }
-        }
-    }
-
-
-    /**
-     * @param int $eventId
-     * @return array|null
-     * @since $VID:$
-     */
-    protected function getGraphQLDatetimes($eventId)
-    {
-        $field_key = lcfirst($this->namespace) . 'Datetimes';
-        $query = <<<QUERY
+							'before'
+						);
+					}
+				);
+			}
+		}
+	}
+
+
+	/**
+	 * @param int $eventId
+	 * @return array
+	 * @throws EE_Error
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ModelConfigurationException
+	 * @throws UnexpectedEntityException
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws DomainException
+	 * @since $VID:$
+	 */
+	protected function getEditorData($eventId)
+	{
+		$event = $this->getEventGraphQLData($eventId);
+		$event['dbId'] = $eventId;
+
+		$graphqlEndpoint = class_exists('WPGraphQL') ? trailingslashit(site_url()) . Router::$route : '';
+		$graphqlEndpoint = esc_url($graphqlEndpoint);
+
+		$currentUser = $this->getGraphQLCurrentUser();
+
+		$generalSettings = $this->getGraphQLGeneralSettings();
+
+		return compact('event', 'graphqlEndpoint', 'currentUser', 'generalSettings');
+	}
+
+
+	/**
+	 * @param int $eventId
+	 * @return array
+	 * @since $VID:$
+	 */
+	protected function getEventGraphQLData($eventId)
+	{
+		$datetimes = $this->getGraphQLDatetimes($eventId);
+
+		if (empty($datetimes['nodes']) || (isset($_REQUEST['action']) && $_REQUEST['action'] === 'create_new')) {
+			$this->addDefaultEntities($eventId);
+			$datetimes = $this->getGraphQLDatetimes($eventId);
+		}
+
+		if (! empty($datetimes['nodes'])) {
+			$datetimeIn = wp_list_pluck($datetimes['nodes'], 'id');
+
+			if (! empty($datetimeIn)) {
+				$tickets = $this->getGraphQLTickets($datetimeIn);
+			}
+		}
+
+		if (! empty($tickets['nodes'])) {
+			$ticketIn = wp_list_pluck($tickets['nodes'], 'id');
+
+			if (! empty($ticketIn)) {
+				$prices = $this->getGraphQLPrices($ticketIn);
+			}
+		}
+
+		$priceTypes = $this->getGraphQLPriceTypes();
+
+		$relations = $this->getRelationalData($eventId);
+
+		return compact('datetimes', 'tickets', 'prices', 'priceTypes', 'relations');
+	}
+
+	/**
+	 * @param int $eventId
+	 * @throws DomainException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ModelConfigurationException
+	 * @throws ReflectionException
+	 * @throws UnexpectedEntityException
+	 * @since $VID:$
+	 */
+	protected function addDefaultEntities($eventId)
+	{
+		$default_dates = $this->datetime_model->create_new_blank_datetime();
+		if (is_array($default_dates) && isset($default_dates[0]) && $default_dates[0] instanceof EE_Datetime) {
+			$default_date = $default_dates[0];
+			$default_date->save();
+			$default_date->_add_relation_to($eventId, 'Event');
+			$default_tickets = $this->ticket_model->get_all_default_tickets();
+			$default_prices = $this->price_model->get_all_default_prices();
+			foreach ($default_tickets as $default_ticket) {
+				$default_ticket->save();
+				$default_ticket->_add_relation_to($default_date, 'Datetime');
+				foreach ($default_prices as $default_price) {
+					$default_price->save();
+					$default_price->_add_relation_to($default_ticket, 'Ticket');
+				}
+			}
+		}
+	}
+
+
+	/**
+	 * @param int $eventId
+	 * @return array|null
+	 * @since $VID:$
+	 */
+	protected function getGraphQLDatetimes($eventId)
+	{
+		$field_key = lcfirst($this->namespace) . 'Datetimes';
+		$query = <<<QUERY
         query GET_DATETIMES(\$where: {$this->namespace}RootQueryDatetimesConnectionWhereArgs) {
             {$field_key}(where: \$where) {
                 nodes {
@@ -274,31 +274,31 @@ 
             }
         }
 QUERY;
-            $data = [
-                'operation_name' => 'GET_DATETIMES',
-                'variables' => [
-                    'first' => 50,
-                    'where' => [
-                        'eventId' => $eventId,
-                    ],
-                ],
-                'query' => $query,
-            ];
-
-            $responseData = $this->makeGraphQLRequest($data);
-            return !empty($responseData[ $field_key ]) ? $responseData[ $field_key ] : null;
-    }
-
-
-    /**
-     * @param array $datetimeIn
-     * @return array|null
-     * @since $VID:$
-     */
-    protected function getGraphQLTickets(array $datetimeIn)
-    {
-        $field_key = lcfirst($this->namespace) . 'Tickets';
-        $query = <<<QUERY
+			$data = [
+				'operation_name' => 'GET_DATETIMES',
+				'variables' => [
+					'first' => 50,
+					'where' => [
+						'eventId' => $eventId,
+					],
+				],
+				'query' => $query,
+			];
+
+			$responseData = $this->makeGraphQLRequest($data);
+			return !empty($responseData[ $field_key ]) ? $responseData[ $field_key ] : null;
+	}
+
+
+	/**
+	 * @param array $datetimeIn
+	 * @return array|null
+	 * @since $VID:$
+	 */
+	protected function getGraphQLTickets(array $datetimeIn)
+	{
+		$field_key = lcfirst($this->namespace) . 'Tickets';
+		$query = <<<QUERY
         query GET_TICKETS(\$where: {$this->namespace}RootQueryTicketsConnectionWhereArgs) {
             {$field_key}(where: \$where) {
                 nodes {
@@ -327,30 +327,30 @@ 
             }
         }
 QUERY;
-            $data = [
-                'operation_name' => 'GET_TICKETS',
-                'variables' => [
-                    'where' => [
-                        'datetimeIn' => $datetimeIn,
-                    ],
-                ],
-                'query' => $query,
-            ];
-
-            $responseData = $this->makeGraphQLRequest($data);
-            return !empty($responseData[ $field_key ]) ? $responseData[ $field_key ] : null;
-    }
-
-
-    /**
-     * @param array $ticketIn
-     * @return array|null
-     * @since $VID:$
-     */
-    protected function getGraphQLPrices(array $ticketIn)
-    {
-        $field_key = lcfirst($this->namespace) . 'Prices';
-        $query = <<<QUERY
+			$data = [
+				'operation_name' => 'GET_TICKETS',
+				'variables' => [
+					'where' => [
+						'datetimeIn' => $datetimeIn,
+					],
+				],
+				'query' => $query,
+			];
+
+			$responseData = $this->makeGraphQLRequest($data);
+			return !empty($responseData[ $field_key ]) ? $responseData[ $field_key ] : null;
+	}
+
+
+	/**
+	 * @param array $ticketIn
+	 * @return array|null
+	 * @since $VID:$
+	 */
+	protected function getGraphQLPrices(array $ticketIn)
+	{
+		$field_key = lcfirst($this->namespace) . 'Prices';
+		$query = <<<QUERY
         query GET_PRICES(\$where: {$this->namespace}RootQueryPricesConnectionWhereArgs) {
             {$field_key}(where: \$where) {
                 nodes {
@@ -374,29 +374,29 @@ 
             }
         }
 QUERY;
-            $data = [
-                'operation_name' => 'GET_PRICES',
-                'variables' => [
-                    'where' => [
-                        'ticketIn' => $ticketIn,
-                    ],
-                ],
-                'query' => $query,
-            ];
-
-            $responseData = $this->makeGraphQLRequest($data);
-            return !empty($responseData[ $field_key ]) ? $responseData[ $field_key ] : null;
-    }
-
-
-    /**
-     * @return array|null
-     * @since $VID:$
-     */
-    protected function getGraphQLPriceTypes()
-    {
-        $field_key = lcfirst($this->namespace) . 'PriceTypes';
-        $query = <<<QUERY
+			$data = [
+				'operation_name' => 'GET_PRICES',
+				'variables' => [
+					'where' => [
+						'ticketIn' => $ticketIn,
+					],
+				],
+				'query' => $query,
+			];
+
+			$responseData = $this->makeGraphQLRequest($data);
+			return !empty($responseData[ $field_key ]) ? $responseData[ $field_key ] : null;
+	}
+
+
+	/**
+	 * @return array|null
+	 * @since $VID:$
+	 */
+	protected function getGraphQLPriceTypes()
+	{
+		$field_key = lcfirst($this->namespace) . 'PriceTypes';
+		$query = <<<QUERY
         query GET_PRICES {
             {$field_key} {
                 nodes {
@@ -416,24 +416,24 @@ 
             }
         }
 QUERY;
-            $data = [
-                'operation_name' => 'GET_PRICES',
-                'query' => $query,
-            ];
-
-            $responseData = $this->makeGraphQLRequest($data);
-            return !empty($responseData[ $field_key ]) ? $responseData[ $field_key ] : null;
-    }
-
-
-    /**
-     * @return array|null
-     * @since $VID:$
-     */
-    protected function getGraphQLCurrentUser()
-    {
-        $field_key = 'viewer';
-        $query = <<<QUERY
+			$data = [
+				'operation_name' => 'GET_PRICES',
+				'query' => $query,
+			];
+
+			$responseData = $this->makeGraphQLRequest($data);
+			return !empty($responseData[ $field_key ]) ? $responseData[ $field_key ] : null;
+	}
+
+
+	/**
+	 * @return array|null
+	 * @since $VID:$
+	 */
+	protected function getGraphQLCurrentUser()
+	{
+		$field_key = 'viewer';
+		$query = <<<QUERY
         query GET_CURRENT_USER {
             {$field_key} {
                 description
@@ -451,24 +451,24 @@ 
             }
         }
 QUERY;
-            $data = [
-                'operation_name' => 'GET_CURRENT_USER',
-                'query' => $query,
-            ];
-
-            $responseData = $this->makeGraphQLRequest($data);
-            return !empty($responseData[ $field_key ]) ? $responseData[ $field_key ] : null;
-    }
-
-
-    /**
-     * @return array|null
-     * @since $VID:$
-     */
-    protected function getGraphQLGeneralSettings()
-    {
-        $field_key = 'generalSettings';
-        $query = <<<QUERY
+			$data = [
+				'operation_name' => 'GET_CURRENT_USER',
+				'query' => $query,
+			];
+
+			$responseData = $this->makeGraphQLRequest($data);
+			return !empty($responseData[ $field_key ]) ? $responseData[ $field_key ] : null;
+	}
+
+
+	/**
+	 * @return array|null
+	 * @since $VID:$
+	 */
+	protected function getGraphQLGeneralSettings()
+	{
+		$field_key = 'generalSettings';
+		$query = <<<QUERY
         query GET_GENERAL_SETTINGS {
             {$field_key} {
                 dateFormat
@@ -478,138 +478,138 @@ 
             }
         }
 QUERY;
-            $data = [
-                'operation_name' => 'GET_CURRENT_USER',
-                'query' => $query,
-            ];
-
-            $responseData = $this->makeGraphQLRequest($data);
-            return !empty($responseData[ $field_key ]) ? $responseData[ $field_key ] : null;
-    }
-
-
-    /**
-     * @param array $data
-     * @return array
-     * @since $VID:$
-     */
-    protected function makeGraphQLRequest($data)
-    {
-        try {
-            $response = graphql($data);
-            if (!empty($response['data'])) {
-                return $response['data'];
-            }
-            return null;
-        } catch (\Exception $e) {
-            // do something with the errors thrown
-            return null;
-        }
-    }
-
-
-    /**
-     * @param mixed       $source  The source that's passed down the GraphQL queries
-     * @param array       $args    The inputArgs on the field
-     * @param AppContext  $context The AppContext passed down the GraphQL tree
-     * @param ResolveInfo $info    The ResolveInfo passed down the GraphQL tree
-     * @return string
-     * @throws EE_Error
-     * @throws Exception
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @throws UserError
-     * @throws UnexpectedEntityException
-     * @since $VID:$
-     */
-    public static function getRelationalData($eventId)
-    {
-
-        $data = [
-            'datetimes'  => [],
-            'tickets'    => [],
-            'prices'     => [],
-        ];
-
-        $eem_datetime   = EEM_Datetime::instance();
-        $eem_ticket     = EEM_Ticket::instance();
-        $eem_price      = EEM_Price::instance();
-        $eem_price_type = EEM_Price_Type::instance();
-
-        // PROCESS DATETIMES
-        $related_models = [
-            'tickets' => $eem_ticket,
-        ];
-        // Get the IDs of event datetimes.
-        $datetimeIds = $eem_datetime->get_col([['EVT_ID' => $eventId]]);
-        foreach ($datetimeIds as $datetimeId) {
-            $GID = self::convertToGlobalId($eem_datetime->item_name(), $datetimeId);
-            foreach ($related_models as $key => $model) {
-                // Get the IDs of related entities for the datetime ID.
-                $Ids = $model->get_col([['Datetime.DTT_ID' => $datetimeId]]);
-                if (! empty($Ids)) {
-                    $data['datetimes'][ $GID ][ $key ] = self::convertToGlobalId($model->item_name(), $Ids);
-                }
-            }
-        }
-
-        // PROCESS TICKETS
-        $related_models = [
-            'datetimes' => $eem_datetime,
-            'prices'    => $eem_price,
-        ];
-        // Get the IDs of all datetime tickets.
-        $ticketIds = $eem_ticket->get_col([['Datetime.DTT_ID' => ['in', $datetimeIds]]]);
-        foreach ($ticketIds as $ticketId) {
-            $GID = self::convertToGlobalId($eem_ticket->item_name(), $ticketId);
-
-            foreach ($related_models as $key => $model) {
-                // Get the IDs of related entities for the ticket ID.
-                $Ids = $model->get_col([['Ticket.TKT_ID' => $ticketId]]);
-                if (! empty($Ids)) {
-                    $data['tickets'][ $GID ][ $key ] = self::convertToGlobalId($model->item_name(), $Ids);
-                }
-            }
-        }
-
-        // PROCESS PRICES
-        $related_models = [
-            'tickets'    => $eem_ticket,
-            'priceTypes' => $eem_price_type,
-        ];
-        // Get the IDs of all ticket prices.
-        $priceIds = $eem_price->get_col([['Ticket.TKT_ID' => ['in', $ticketIds]]]);
-        foreach ($priceIds as $priceId) {
-            $GID = self::convertToGlobalId($eem_price->item_name(), $priceId);
-
-            foreach ($related_models as $key => $model) {
-                // Get the IDs of related entities for the price ID.
-                $Ids = $model->get_col([['Price.PRC_ID' => $priceId]]);
-                if (! empty($Ids)) {
-                    $data['prices'][ $GID ][ $key ] = self::convertToGlobalId($model->item_name(), $Ids);
-                }
-            }
-        }
-
-        return $data;
-    }
-
-    /**
-     * Convert the DB ID into GID
-     *
-     * @param string    $type
-     * @param int|int[] $ID
-     * @return mixed
-     */
-    public static function convertToGlobalId($type, $ID)
-    {
-        if (is_array($ID)) {
-            return array_map(function ($id) use ($type) {
-                return self::convertToGlobalId($type, $id);
-            }, $ID);
-        }
-        return Relay::toGlobalId($type, $ID);
-    }
+			$data = [
+				'operation_name' => 'GET_CURRENT_USER',
+				'query' => $query,
+			];
+
+			$responseData = $this->makeGraphQLRequest($data);
+			return !empty($responseData[ $field_key ]) ? $responseData[ $field_key ] : null;
+	}
+
+
+	/**
+	 * @param array $data
+	 * @return array
+	 * @since $VID:$
+	 */
+	protected function makeGraphQLRequest($data)
+	{
+		try {
+			$response = graphql($data);
+			if (!empty($response['data'])) {
+				return $response['data'];
+			}
+			return null;
+		} catch (\Exception $e) {
+			// do something with the errors thrown
+			return null;
+		}
+	}
+
+
+	/**
+	 * @param mixed       $source  The source that's passed down the GraphQL queries
+	 * @param array       $args    The inputArgs on the field
+	 * @param AppContext  $context The AppContext passed down the GraphQL tree
+	 * @param ResolveInfo $info    The ResolveInfo passed down the GraphQL tree
+	 * @return string
+	 * @throws EE_Error
+	 * @throws Exception
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @throws UserError
+	 * @throws UnexpectedEntityException
+	 * @since $VID:$
+	 */
+	public static function getRelationalData($eventId)
+	{
+
+		$data = [
+			'datetimes'  => [],
+			'tickets'    => [],
+			'prices'     => [],
+		];
+
+		$eem_datetime   = EEM_Datetime::instance();
+		$eem_ticket     = EEM_Ticket::instance();
+		$eem_price      = EEM_Price::instance();
+		$eem_price_type = EEM_Price_Type::instance();
+
+		// PROCESS DATETIMES
+		$related_models = [
+			'tickets' => $eem_ticket,
+		];
+		// Get the IDs of event datetimes.
+		$datetimeIds = $eem_datetime->get_col([['EVT_ID' => $eventId]]);
+		foreach ($datetimeIds as $datetimeId) {
+			$GID = self::convertToGlobalId($eem_datetime->item_name(), $datetimeId);
+			foreach ($related_models as $key => $model) {
+				// Get the IDs of related entities for the datetime ID.
+				$Ids = $model->get_col([['Datetime.DTT_ID' => $datetimeId]]);
+				if (! empty($Ids)) {
+					$data['datetimes'][ $GID ][ $key ] = self::convertToGlobalId($model->item_name(), $Ids);
+				}
+			}
+		}
+
+		// PROCESS TICKETS
+		$related_models = [
+			'datetimes' => $eem_datetime,
+			'prices'    => $eem_price,
+		];
+		// Get the IDs of all datetime tickets.
+		$ticketIds = $eem_ticket->get_col([['Datetime.DTT_ID' => ['in', $datetimeIds]]]);
+		foreach ($ticketIds as $ticketId) {
+			$GID = self::convertToGlobalId($eem_ticket->item_name(), $ticketId);
+
+			foreach ($related_models as $key => $model) {
+				// Get the IDs of related entities for the ticket ID.
+				$Ids = $model->get_col([['Ticket.TKT_ID' => $ticketId]]);
+				if (! empty($Ids)) {
+					$data['tickets'][ $GID ][ $key ] = self::convertToGlobalId($model->item_name(), $Ids);
+				}
+			}
+		}
+
+		// PROCESS PRICES
+		$related_models = [
+			'tickets'    => $eem_ticket,
+			'priceTypes' => $eem_price_type,
+		];
+		// Get the IDs of all ticket prices.
+		$priceIds = $eem_price->get_col([['Ticket.TKT_ID' => ['in', $ticketIds]]]);
+		foreach ($priceIds as $priceId) {
+			$GID = self::convertToGlobalId($eem_price->item_name(), $priceId);
+
+			foreach ($related_models as $key => $model) {
+				// Get the IDs of related entities for the price ID.
+				$Ids = $model->get_col([['Price.PRC_ID' => $priceId]]);
+				if (! empty($Ids)) {
+					$data['prices'][ $GID ][ $key ] = self::convertToGlobalId($model->item_name(), $Ids);
+				}
+			}
+		}
+
+		return $data;
+	}
+
+	/**
+	 * Convert the DB ID into GID
+	 *
+	 * @param string    $type
+	 * @param int|int[] $ID
+	 * @return mixed
+	 */
+	public static function convertToGlobalId($type, $ID)
+	{
+		if (is_array($ID)) {
+			return array_map(function ($id) use ($type) {
+				return self::convertToGlobalId($type, $id);
+			}, $ID);
+		}
+		return Relay::toGlobalId($type, $ID);
+	}
 }

Spacing +26 added lines, -26 removed lines

@@ -102,7 +102,7 @@ 
     {
         if ($this->admin_config->useAdvancedEditor()) {
             $eventId = $this->event instanceof EE_Event ? $this->event->ID() : 0;
-            if (! $eventId) {
+            if ( ! $eventId) {
                 global $post;
                 $eventId = isset($_REQUEST['post']) ? absint($_REQUEST['post']) : 0;
                 $eventId = $eventId === 0 && $post instanceof WP_Post && $post->post_type === 'espresso_events'
@@ -114,7 +114,7 @@ 
                 $data = wp_json_encode($data);
                 add_action(
                     'admin_footer',
-                    static function () use ($data) {
+                    static function() use ($data) {
                         wp_add_inline_script(
                             EspressoEditorAssetManager::JS_HANDLE_EDITOR,
                             "
@@ -126,7 +126,7 @@ 
                 );
                 add_action(
                     'admin_footer',
-                    static function () use ($data) {
+                    static function() use ($data) {
                         wp_add_inline_script(
                             EspressoEditorAssetManager::JS_HANDLE_EDITOR_PROTOTYPE,
                             "
@@ -159,7 +159,7 @@ 
         $event = $this->getEventGraphQLData($eventId);
         $event['dbId'] = $eventId;
 
-        $graphqlEndpoint = class_exists('WPGraphQL') ? trailingslashit(site_url()) . Router::$route : '';
+        $graphqlEndpoint = class_exists('WPGraphQL') ? trailingslashit(site_url()).Router::$route : '';
         $graphqlEndpoint = esc_url($graphqlEndpoint);
 
         $currentUser = $this->getGraphQLCurrentUser();
@@ -184,18 +184,18 @@ 
             $datetimes = $this->getGraphQLDatetimes($eventId);
         }
 
-        if (! empty($datetimes['nodes'])) {
+        if ( ! empty($datetimes['nodes'])) {
             $datetimeIn = wp_list_pluck($datetimes['nodes'], 'id');
 
-            if (! empty($datetimeIn)) {
+            if ( ! empty($datetimeIn)) {
                 $tickets = $this->getGraphQLTickets($datetimeIn);
             }
         }
 
-        if (! empty($tickets['nodes'])) {
+        if ( ! empty($tickets['nodes'])) {
             $ticketIn = wp_list_pluck($tickets['nodes'], 'id');
 
-            if (! empty($ticketIn)) {
+            if ( ! empty($ticketIn)) {
                 $prices = $this->getGraphQLPrices($ticketIn);
             }
         }
@@ -247,7 +247,7 @@ 
      */
     protected function getGraphQLDatetimes($eventId)
     {
-        $field_key = lcfirst($this->namespace) . 'Datetimes';
+        $field_key = lcfirst($this->namespace).'Datetimes';
         $query = <<<QUERY
         query GET_DATETIMES(\$where: {$this->namespace}RootQueryDatetimesConnectionWhereArgs) {
             {$field_key}(where: \$where) {
@@ -286,7 +286,7 @@ 
             ];
 
             $responseData = $this->makeGraphQLRequest($data);
-            return !empty($responseData[ $field_key ]) ? $responseData[ $field_key ] : null;
+            return ! empty($responseData[$field_key]) ? $responseData[$field_key] : null;
     }
 
 
@@ -297,7 +297,7 @@ 
      */
     protected function getGraphQLTickets(array $datetimeIn)
     {
-        $field_key = lcfirst($this->namespace) . 'Tickets';
+        $field_key = lcfirst($this->namespace).'Tickets';
         $query = <<<QUERY
         query GET_TICKETS(\$where: {$this->namespace}RootQueryTicketsConnectionWhereArgs) {
             {$field_key}(where: \$where) {
@@ -338,7 +338,7 @@ 
             ];
 
             $responseData = $this->makeGraphQLRequest($data);
-            return !empty($responseData[ $field_key ]) ? $responseData[ $field_key ] : null;
+            return ! empty($responseData[$field_key]) ? $responseData[$field_key] : null;
     }
 
 
@@ -349,7 +349,7 @@ 
      */
     protected function getGraphQLPrices(array $ticketIn)
     {
-        $field_key = lcfirst($this->namespace) . 'Prices';
+        $field_key = lcfirst($this->namespace).'Prices';
         $query = <<<QUERY
         query GET_PRICES(\$where: {$this->namespace}RootQueryPricesConnectionWhereArgs) {
             {$field_key}(where: \$where) {
@@ -385,7 +385,7 @@ 
             ];
 
             $responseData = $this->makeGraphQLRequest($data);
-            return !empty($responseData[ $field_key ]) ? $responseData[ $field_key ] : null;
+            return ! empty($responseData[$field_key]) ? $responseData[$field_key] : null;
     }
 
 
@@ -395,7 +395,7 @@ 
      */
     protected function getGraphQLPriceTypes()
     {
-        $field_key = lcfirst($this->namespace) . 'PriceTypes';
+        $field_key = lcfirst($this->namespace).'PriceTypes';
         $query = <<<QUERY
         query GET_PRICES {
             {$field_key} {
@@ -422,7 +422,7 @@ 
             ];
 
             $responseData = $this->makeGraphQLRequest($data);
-            return !empty($responseData[ $field_key ]) ? $responseData[ $field_key ] : null;
+            return ! empty($responseData[$field_key]) ? $responseData[$field_key] : null;
     }
 
 
@@ -457,7 +457,7 @@ 
             ];
 
             $responseData = $this->makeGraphQLRequest($data);
-            return !empty($responseData[ $field_key ]) ? $responseData[ $field_key ] : null;
+            return ! empty($responseData[$field_key]) ? $responseData[$field_key] : null;
     }
 
 
@@ -484,7 +484,7 @@ 
             ];
 
             $responseData = $this->makeGraphQLRequest($data);
-            return !empty($responseData[ $field_key ]) ? $responseData[ $field_key ] : null;
+            return ! empty($responseData[$field_key]) ? $responseData[$field_key] : null;
     }
 
 
@@ -497,7 +497,7 @@ 
     {
         try {
             $response = graphql($data);
-            if (!empty($response['data'])) {
+            if ( ! empty($response['data'])) {
                 return $response['data'];
             }
             return null;
@@ -549,8 +549,8 @@ 
             foreach ($related_models as $key => $model) {
                 // Get the IDs of related entities for the datetime ID.
                 $Ids = $model->get_col([['Datetime.DTT_ID' => $datetimeId]]);
-                if (! empty($Ids)) {
-                    $data['datetimes'][ $GID ][ $key ] = self::convertToGlobalId($model->item_name(), $Ids);
+                if ( ! empty($Ids)) {
+                    $data['datetimes'][$GID][$key] = self::convertToGlobalId($model->item_name(), $Ids);
                 }
             }
         }
@@ -568,8 +568,8 @@ 
             foreach ($related_models as $key => $model) {
                 // Get the IDs of related entities for the ticket ID.
                 $Ids = $model->get_col([['Ticket.TKT_ID' => $ticketId]]);
-                if (! empty($Ids)) {
-                    $data['tickets'][ $GID ][ $key ] = self::convertToGlobalId($model->item_name(), $Ids);
+                if ( ! empty($Ids)) {
+                    $data['tickets'][$GID][$key] = self::convertToGlobalId($model->item_name(), $Ids);
                 }
             }
         }
@@ -587,8 +587,8 @@ 
             foreach ($related_models as $key => $model) {
                 // Get the IDs of related entities for the price ID.
                 $Ids = $model->get_col([['Price.PRC_ID' => $priceId]]);
-                if (! empty($Ids)) {
-                    $data['prices'][ $GID ][ $key ] = self::convertToGlobalId($model->item_name(), $Ids);
+                if ( ! empty($Ids)) {
+                    $data['prices'][$GID][$key] = self::convertToGlobalId($model->item_name(), $Ids);
                 }
             }
         }
@@ -606,7 +606,7 @@ 
     public static function convertToGlobalId($type, $ID)
     {
         if (is_array($ID)) {
-            return array_map(function ($id) use ($type) {
+            return array_map(function($id) use ($type) {
                 return self::convertToGlobalId($type, $id);
             }, $ID);
         }

core/EE_Dependency_Map.core.php

Indentation +1220 added lines, -1220 removed lines

@@ -21,1224 +21,1224 @@
 class EE_Dependency_Map
 {
 
-    /**
-     * This means that the requested class dependency is not present in the dependency map
-     */
-    const not_registered = 0;
-
-    /**
-     * This instructs class loaders to ALWAYS return a newly instantiated object for the requested class.
-     */
-    const load_new_object = 1;
-
-    /**
-     * This instructs class loaders to return a previously instantiated and cached object for the requested class.
-     * IF a previously instantiated object does not exist, a new one will be created and added to the cache.
-     */
-    const load_from_cache = 2;
-
-    /**
-     * When registering a dependency,
-     * this indicates to keep any existing dependencies that already exist,
-     * and simply discard any new dependencies declared in the incoming data
-     */
-    const KEEP_EXISTING_DEPENDENCIES = 0;
-
-    /**
-     * When registering a dependency,
-     * this indicates to overwrite any existing dependencies that already exist using the incoming data
-     */
-    const OVERWRITE_DEPENDENCIES = 1;
-
-
-    /**
-     * @type EE_Dependency_Map $_instance
-     */
-    protected static $_instance;
-
-    /**
-     * @var ClassInterfaceCache $class_cache
-     */
-    private $class_cache;
-
-    /**
-     * @type RequestInterface $request
-     */
-    protected $request;
-
-    /**
-     * @type LegacyRequestInterface $legacy_request
-     */
-    protected $legacy_request;
-
-    /**
-     * @type ResponseInterface $response
-     */
-    protected $response;
-
-    /**
-     * @type LoaderInterface $loader
-     */
-    protected $loader;
-
-    /**
-     * @type array $_dependency_map
-     */
-    protected $_dependency_map = array();
-
-    /**
-     * @type array $_class_loaders
-     */
-    protected $_class_loaders = array();
-
-
-    /**
-     * EE_Dependency_Map constructor.
-     *
-     * @param ClassInterfaceCache $class_cache
-     */
-    protected function __construct(ClassInterfaceCache $class_cache)
-    {
-        $this->class_cache = $class_cache;
-        do_action('EE_Dependency_Map____construct', $this);
-    }
-
-
-    /**
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidAliasException
-     */
-    public function initialize()
-    {
-        $this->_register_core_dependencies();
-        $this->_register_core_class_loaders();
-        $this->_register_core_aliases();
-    }
-
-
-    /**
-     * @singleton method used to instantiate class object
-     * @param ClassInterfaceCache|null $class_cache
-     * @return EE_Dependency_Map
-     */
-    public static function instance(ClassInterfaceCache $class_cache = null)
-    {
-        // check if class object is instantiated, and instantiated properly
-        if (! self::$_instance instanceof EE_Dependency_Map
-            && $class_cache instanceof ClassInterfaceCache
-        ) {
-            self::$_instance = new EE_Dependency_Map($class_cache);
-        }
-        return self::$_instance;
-    }
-
-
-    /**
-     * @param RequestInterface $request
-     */
-    public function setRequest(RequestInterface $request)
-    {
-        $this->request = $request;
-    }
-
-
-    /**
-     * @param LegacyRequestInterface $legacy_request
-     */
-    public function setLegacyRequest(LegacyRequestInterface $legacy_request)
-    {
-        $this->legacy_request = $legacy_request;
-    }
-
-
-    /**
-     * @param ResponseInterface $response
-     */
-    public function setResponse(ResponseInterface $response)
-    {
-        $this->response = $response;
-    }
-
-
-    /**
-     * @param LoaderInterface $loader
-     */
-    public function setLoader(LoaderInterface $loader)
-    {
-        $this->loader = $loader;
-    }
-
-
-    /**
-     * @param string $class
-     * @param array  $dependencies
-     * @param int    $overwrite
-     * @return bool
-     */
-    public static function register_dependencies(
-        $class,
-        array $dependencies,
-        $overwrite = EE_Dependency_Map::KEEP_EXISTING_DEPENDENCIES
-    ) {
-        return self::$_instance->registerDependencies($class, $dependencies, $overwrite);
-    }
-
-
-    /**
-     * Assigns an array of class names and corresponding load sources (new or cached)
-     * to the class specified by the first parameter.
-     * IMPORTANT !!!
-     * The order of elements in the incoming $dependencies array MUST match
-     * the order of the constructor parameters for the class in question.
-     * This is especially important when overriding any existing dependencies that are registered.
-     * the third parameter controls whether any duplicate dependencies are overwritten or not.
-     *
-     * @param string $class
-     * @param array  $dependencies
-     * @param int    $overwrite
-     * @return bool
-     */
-    public function registerDependencies(
-        $class,
-        array $dependencies,
-        $overwrite = EE_Dependency_Map::KEEP_EXISTING_DEPENDENCIES
-    ) {
-        $class = trim($class, '\\');
-        $registered = false;
-        if (empty(self::$_instance->_dependency_map[ $class ])) {
-            self::$_instance->_dependency_map[ $class ] = array();
-        }
-        // we need to make sure that any aliases used when registering a dependency
-        // get resolved to the correct class name
-        foreach ($dependencies as $dependency => $load_source) {
-            $alias = self::$_instance->getFqnForAlias($dependency);
-            if ($overwrite === EE_Dependency_Map::OVERWRITE_DEPENDENCIES
-                || ! isset(self::$_instance->_dependency_map[ $class ][ $alias ])
-            ) {
-                unset($dependencies[ $dependency ]);
-                $dependencies[ $alias ] = $load_source;
-                $registered = true;
-            }
-        }
-        // now add our two lists of dependencies together.
-        // using Union (+=) favours the arrays in precedence from left to right,
-        // so $dependencies is NOT overwritten because it is listed first
-        // ie: with A = B + C, entries in B take precedence over duplicate entries in C
-        // Union is way faster than array_merge() but should be used with caution...
-        // especially with numerically indexed arrays
-        $dependencies += self::$_instance->_dependency_map[ $class ];
-        // now we need to ensure that the resulting dependencies
-        // array only has the entries that are required for the class
-        // so first count how many dependencies were originally registered for the class
-        $dependency_count = count(self::$_instance->_dependency_map[ $class ]);
-        // if that count is non-zero (meaning dependencies were already registered)
-        self::$_instance->_dependency_map[ $class ] = $dependency_count
-            // then truncate the  final array to match that count
-            ? array_slice($dependencies, 0, $dependency_count)
-            // otherwise just take the incoming array because nothing previously existed
-            : $dependencies;
-        return $registered;
-    }
-
-
-    /**
-     * @param string $class_name
-     * @param string $loader
-     * @return bool
-     * @throws DomainException
-     */
-    public static function register_class_loader($class_name, $loader = 'load_core')
-    {
-        if (! $loader instanceof Closure && strpos($class_name, '\\') !== false) {
-            throw new DomainException(
-                esc_html__('Don\'t use class loaders for FQCNs.', 'event_espresso')
-            );
-        }
-        // check that loader is callable or method starts with "load_" and exists in EE_Registry
-        if (! is_callable($loader)
-            && (
-                strpos($loader, 'load_') !== 0
-                || ! method_exists('EE_Registry', $loader)
-            )
-        ) {
-            throw new DomainException(
-                sprintf(
-                    esc_html__(
-                        '"%1$s" is not a valid loader method on EE_Registry.',
-                        'event_espresso'
-                    ),
-                    $loader
-                )
-            );
-        }
-        $class_name = self::$_instance->getFqnForAlias($class_name);
-        if (! isset(self::$_instance->_class_loaders[ $class_name ])) {
-            self::$_instance->_class_loaders[ $class_name ] = $loader;
-            return true;
-        }
-        return false;
-    }
-
-
-    /**
-     * @return array
-     */
-    public function dependency_map()
-    {
-        return $this->_dependency_map;
-    }
-
-
-    /**
-     * returns TRUE if dependency map contains a listing for the provided class name
-     *
-     * @param string $class_name
-     * @return boolean
-     */
-    public function has($class_name = '')
-    {
-        // all legacy models have the same dependencies
-        if (strpos($class_name, 'EEM_') === 0) {
-            $class_name = 'LEGACY_MODELS';
-        }
-        return isset($this->_dependency_map[ $class_name ]) ? true : false;
-    }
-
-
-    /**
-     * returns TRUE if dependency map contains a listing for the provided class name AND dependency
-     *
-     * @param string $class_name
-     * @param string $dependency
-     * @return bool
-     */
-    public function has_dependency_for_class($class_name = '', $dependency = '')
-    {
-        // all legacy models have the same dependencies
-        if (strpos($class_name, 'EEM_') === 0) {
-            $class_name = 'LEGACY_MODELS';
-        }
-        $dependency = $this->getFqnForAlias($dependency, $class_name);
-        return isset($this->_dependency_map[ $class_name ][ $dependency ])
-            ? true
-            : false;
-    }
-
-
-    /**
-     * returns loading strategy for whether a previously cached dependency should be loaded or a new instance returned
-     *
-     * @param string $class_name
-     * @param string $dependency
-     * @return int
-     */
-    public function loading_strategy_for_class_dependency($class_name = '', $dependency = '')
-    {
-        // all legacy models have the same dependencies
-        if (strpos($class_name, 'EEM_') === 0) {
-            $class_name = 'LEGACY_MODELS';
-        }
-        $dependency = $this->getFqnForAlias($dependency);
-        return $this->has_dependency_for_class($class_name, $dependency)
-            ? $this->_dependency_map[ $class_name ][ $dependency ]
-            : EE_Dependency_Map::not_registered;
-    }
-
-
-    /**
-     * @param string $class_name
-     * @return string | Closure
-     */
-    public function class_loader($class_name)
-    {
-        // all legacy models use load_model()
-        if (strpos($class_name, 'EEM_') === 0) {
-            return 'load_model';
-        }
-        // EE_CPT_*_Strategy classes like EE_CPT_Event_Strategy, EE_CPT_Venue_Strategy, etc
-        // perform strpos() first to avoid loading regex every time we load a class
-        if (strpos($class_name, 'EE_CPT_') === 0
-            && preg_match('/^EE_CPT_([a-zA-Z]+)_Strategy$/', $class_name)
-        ) {
-            return 'load_core';
-        }
-        $class_name = $this->getFqnForAlias($class_name);
-        return isset($this->_class_loaders[ $class_name ]) ? $this->_class_loaders[ $class_name ] : '';
-    }
-
-
-    /**
-     * @return array
-     */
-    public function class_loaders()
-    {
-        return $this->_class_loaders;
-    }
-
-
-    /**
-     * adds an alias for a classname
-     *
-     * @param string $fqcn      the class name that should be used (concrete class to replace interface)
-     * @param string $alias     the class name that would be type hinted for (abstract parent or interface)
-     * @param string $for_class the class that has the dependency (is type hinting for the interface)
-     * @throws InvalidAliasException
-     */
-    public function add_alias($fqcn, $alias, $for_class = '')
-    {
-        $this->class_cache->addAlias($fqcn, $alias, $for_class);
-    }
-
-
-    /**
-     * Returns TRUE if the provided fully qualified name IS an alias
-     * WHY?
-     * Because if a class is type hinting for a concretion,
-     * then why would we need to find another class to supply it?
-     * ie: if a class asks for `Fully/Qualified/Namespace/SpecificClassName`,
-     * then give it an instance of `Fully/Qualified/Namespace/SpecificClassName`.
-     * Don't go looking for some substitute.
-     * Whereas if a class is type hinting for an interface...
-     * then we need to find an actual class to use.
-     * So the interface IS the alias for some other FQN,
-     * and we need to find out if `Fully/Qualified/Namespace/SomeInterface`
-     * represents some other class.
-     *
-     * @param string $fqn
-     * @param string $for_class
-     * @return bool
-     */
-    public function isAlias($fqn = '', $for_class = '')
-    {
-        return $this->class_cache->isAlias($fqn, $for_class);
-    }
-
-
-    /**
-     * Returns a FQN for provided alias if one exists, otherwise returns the original $alias
-     * functions recursively, so that multiple aliases can be used to drill down to a FQN
-     *  for example:
-     *      if the following two entries were added to the _aliases array:
-     *          array(
-     *              'interface_alias'           => 'some\namespace\interface'
-     *              'some\namespace\interface'  => 'some\namespace\classname'
-     *          )
-     *      then one could use EE_Registry::instance()->create( 'interface_alias' )
-     *      to load an instance of 'some\namespace\classname'
-     *
-     * @param string $alias
-     * @param string $for_class
-     * @return string
-     */
-    public function getFqnForAlias($alias = '', $for_class = '')
-    {
-        return (string) $this->class_cache->getFqnForAlias($alias, $for_class);
-    }
-
-
-    /**
-     * Registers the core dependencies and whether a previously instantiated object should be loaded from the cache,
-     * if one exists, or whether a new object should be generated every time the requested class is loaded.
-     * This is done by using the following class constants:
-     *        EE_Dependency_Map::load_from_cache - loads previously instantiated object
-     *        EE_Dependency_Map::load_new_object - generates a new object every time
-     */
-    protected function _register_core_dependencies()
-    {
-        $this->_dependency_map = array(
-            'EE_Request_Handler'                                                                                          => array(
-                'EE_Request' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_System'                                                                                                   => array(
-                'EE_Registry'                                 => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\loaders\Loader'  => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\request\Request' => EE_Dependency_Map::load_from_cache,
-                'EE_Maintenance_Mode'                         => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_Session'                                                                                                  => array(
-                'EventEspresso\core\services\cache\TransientCacheStorage'  => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\domain\values\session\SessionLifespan' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\request\Request'              => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\session\SessionStartHandler'  => EE_Dependency_Map::load_from_cache,
-                'EE_Encryption'                                            => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_Cart'                                                                                                     => array(
-                'EE_Session' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_Front_Controller'                                                                                         => array(
-                'EE_Registry'              => EE_Dependency_Map::load_from_cache,
-                'EE_Request_Handler'       => EE_Dependency_Map::load_from_cache,
-                'EE_Module_Request_Router' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_Messenger_Collection_Loader'                                                                              => array(
-                'EE_Messenger_Collection' => EE_Dependency_Map::load_new_object,
-            ),
-            'EE_Message_Type_Collection_Loader'                                                                           => array(
-                'EE_Message_Type_Collection' => EE_Dependency_Map::load_new_object,
-            ),
-            'EE_Message_Resource_Manager'                                                                                 => array(
-                'EE_Messenger_Collection_Loader'    => EE_Dependency_Map::load_new_object,
-                'EE_Message_Type_Collection_Loader' => EE_Dependency_Map::load_new_object,
-                'EEM_Message_Template_Group'        => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_Message_Factory'                                                                                          => array(
-                'EE_Message_Resource_Manager' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_messages'                                                                                                 => array(
-                'EE_Message_Resource_Manager' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_Messages_Generator'                                                                                       => array(
-                'EE_Messages_Queue'                    => EE_Dependency_Map::load_new_object,
-                'EE_Messages_Data_Handler_Collection'  => EE_Dependency_Map::load_new_object,
-                'EE_Message_Template_Group_Collection' => EE_Dependency_Map::load_new_object,
-                'EEH_Parse_Shortcodes'                 => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_Messages_Processor'                                                                                       => array(
-                'EE_Message_Resource_Manager' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_Messages_Queue'                                                                                           => array(
-                'EE_Message_Repository' => EE_Dependency_Map::load_new_object,
-            ),
-            'EE_Messages_Template_Defaults'                                                                               => array(
-                'EEM_Message_Template_Group' => EE_Dependency_Map::load_from_cache,
-                'EEM_Message_Template'       => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_Message_To_Generate_From_Request'                                                                         => array(
-                'EE_Message_Resource_Manager' => EE_Dependency_Map::load_from_cache,
-                'EE_Request_Handler'          => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\commands\CommandBus'                                                             => array(
-                'EventEspresso\core\services\commands\CommandHandlerManager' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\services\commands\CommandHandler'                                                              => array(
-                'EE_Registry'         => EE_Dependency_Map::load_from_cache,
-                'CommandBusInterface' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\commands\CommandHandlerManager'                                                  => array(
-                'EventEspresso\core\services\loaders\Loader' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\commands\CompositeCommandHandler'                                                => array(
-                'EventEspresso\core\services\commands\CommandBus'     => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\commands\CommandFactory' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\commands\CommandFactory'                                                         => array(
-                'EventEspresso\core\services\loaders\Loader' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\commands\middleware\CapChecker'                                                  => array(
-                'EventEspresso\core\domain\services\capabilities\CapabilitiesChecker' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\capabilities\CapabilitiesChecker'                                         => array(
-                'EE_Capabilities' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\capabilities\RegistrationsCapChecker'                                     => array(
-                'EE_Capabilities' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\commands\registration\CreateRegistrationCommandHandler'                          => array(
-                'EventEspresso\core\domain\services\registration\CreateRegistrationService' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\commands\registration\CopyRegistrationDetailsCommandHandler'                     => array(
-                'EventEspresso\core\domain\services\registration\CopyRegistrationService' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\commands\registration\CopyRegistrationPaymentsCommandHandler'                    => array(
-                'EventEspresso\core\domain\services\registration\CopyRegistrationService' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\commands\registration\CancelRegistrationAndTicketLineItemCommandHandler'         => array(
-                'EventEspresso\core\domain\services\registration\CancelTicketLineItemService' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\commands\registration\UpdateRegistrationAndTransactionAfterChangeCommandHandler' => array(
-                'EventEspresso\core\domain\services\registration\UpdateRegistrationService' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\commands\ticket\CreateTicketLineItemCommandHandler'                              => array(
-                'EventEspresso\core\domain\services\ticket\CreateTicketLineItemService' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\commands\ticket\CancelTicketLineItemCommandHandler'                              => array(
-                'EventEspresso\core\domain\services\ticket\CancelTicketLineItemService' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\registration\CancelRegistrationService'                                   => array(
-                'EventEspresso\core\domain\services\ticket\CancelTicketLineItemService' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\commands\attendee\CreateAttendeeCommandHandler'                                  => array(
-                'EEM_Attendee' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\database\TableManager'                                                           => array(
-                'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_Data_Migration_Class_Base'                                                                                => array(
-                'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_DMS_Core_4_1_0'                                                                                           => array(
-                'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_DMS_Core_4_2_0'                                                                                           => array(
-                'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_DMS_Core_4_3_0'                                                                                           => array(
-                'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_DMS_Core_4_4_0'                                                                                           => array(
-                'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_DMS_Core_4_5_0'                                                                                           => array(
-                'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_DMS_Core_4_6_0'                                                                                           => array(
-                'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_DMS_Core_4_7_0'                                                                                           => array(
-                'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_DMS_Core_4_8_0'                                                                                           => array(
-                'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_DMS_Core_4_9_0' => array(
-                'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_DMS_Core_4_10_0' => array(
-                'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
-                'EE_DMS_Core_4_9_0'                                  => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\assets\I18nRegistry'                                                             => array(
-                array(),
-                'EventEspresso\core\domain\Domain' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\assets\Registry'                                                                 => array(
-                'EventEspresso\core\services\assets\AssetCollection' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\assets\I18nRegistry'    => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\entities\shortcodes\EspressoCancelled'                                             => array(
-                'EventEspresso\core\services\cache\PostRelatedCacheManager' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\entities\shortcodes\EspressoCheckout'                                              => array(
-                'EventEspresso\core\services\cache\PostRelatedCacheManager' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\entities\shortcodes\EspressoEventAttendees'                                        => array(
-                'EventEspresso\core\services\cache\PostRelatedCacheManager' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\entities\shortcodes\EspressoEvents'                                                => array(
-                'EventEspresso\core\services\cache\PostRelatedCacheManager' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\entities\shortcodes\EspressoThankYou'                                              => array(
-                'EventEspresso\core\services\cache\PostRelatedCacheManager' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\entities\shortcodes\EspressoTicketSelector'                                        => array(
-                'EventEspresso\core\services\cache\PostRelatedCacheManager' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\entities\shortcodes\EspressoTxnPage'                                               => array(
-                'EventEspresso\core\services\cache\PostRelatedCacheManager' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\cache\BasicCacheManager'                                                         => array(
-                'EventEspresso\core\services\cache\TransientCacheStorage' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\cache\PostRelatedCacheManager'                                                   => array(
-                'EventEspresso\core\services\cache\TransientCacheStorage' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\validation\email\EmailValidationService'                                  => array(
-                'EE_Registration_Config'                     => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\loaders\Loader' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\values\EmailAddress'                                                               => array(
-                null,
-                'EventEspresso\core\domain\services\validation\email\EmailValidationService' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\orm\ModelFieldFactory'                                                           => array(
-                'EventEspresso\core\services\loaders\Loader' => EE_Dependency_Map::load_from_cache,
-            ),
-            'LEGACY_MODELS'                                                                                               => array(
-                null,
-                'EventEspresso\core\services\database\ModelFieldFactory' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_Module_Request_Router'                                                                                    => array(
-                'EE_Request' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_Registration_Processor'                                                                                   => array(
-                'EE_Request' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\notifications\PersistentAdminNoticeManager'                                      => array(
-                null,
-                'EventEspresso\core\domain\services\capabilities\CapabilitiesChecker' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\request\Request'                         => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\licensing\LicenseService'                                                        => array(
-                'EventEspresso\core\domain\services\pue\Stats'  => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\domain\services\pue\Config' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_Admin_Transactions_List_Table'                                                                            => array(
-                null,
-                'EventEspresso\core\domain\values\session\SessionLifespan' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\pue\Stats'                                                                => array(
-                'EventEspresso\core\domain\services\pue\Config'        => EE_Dependency_Map::load_from_cache,
-                'EE_Maintenance_Mode'                                  => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\domain\services\pue\StatsGatherer' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\pue\Config'                                                               => array(
-                'EE_Network_Config' => EE_Dependency_Map::load_from_cache,
-                'EE_Config'         => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\pue\StatsGatherer'                                                        => array(
-                'EEM_Payment_Method' => EE_Dependency_Map::load_from_cache,
-                'EEM_Event'          => EE_Dependency_Map::load_from_cache,
-                'EEM_Datetime'       => EE_Dependency_Map::load_from_cache,
-                'EEM_Ticket'         => EE_Dependency_Map::load_from_cache,
-                'EEM_Registration'   => EE_Dependency_Map::load_from_cache,
-                'EEM_Transaction'    => EE_Dependency_Map::load_from_cache,
-                'EE_Config'          => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\admin\ExitModal'                                                          => array(
-                'EventEspresso\core\services\assets\Registry' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\admin\PluginUpsells'                                                      => array(
-                'EventEspresso\core\domain\Domain' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\caffeinated\modules\recaptcha_invisible\InvisibleRecaptcha'                                    => array(
-                'EE_Registration_Config' => EE_Dependency_Map::load_from_cache,
-                'EE_Session'             => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\caffeinated\modules\recaptcha_invisible\RecaptchaAdminSettings'                                => array(
-                'EE_Registration_Config' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\modules\ticket_selector\ProcessTicketSelector'                                                 => array(
-                'EE_Core_Config'                                                          => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\request\Request'                             => EE_Dependency_Map::load_from_cache,
-                'EE_Session'                                                              => EE_Dependency_Map::load_from_cache,
-                'EEM_Ticket'                                                              => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\modules\ticket_selector\TicketDatetimeAvailabilityTracker' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\modules\ticket_selector\TicketDatetimeAvailabilityTracker'                                     => array(
-                'EEM_Datetime' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\entities\custom_post_types\CustomPostTypeDefinitions'                              => array(
-                'EE_Core_Config'                             => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\loaders\Loader' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\custom_post_types\RegisterCustomPostTypes'                                => array(
-                'EventEspresso\core\domain\entities\custom_post_types\CustomPostTypeDefinitions' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\custom_post_types\RegisterCustomTaxonomies'                               => array(
-                'EventEspresso\core\domain\entities\custom_post_types\CustomTaxonomyDefinitions' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_CPT_Strategy'                                                                                             => array(
-                'EventEspresso\core\domain\entities\custom_post_types\CustomPostTypeDefinitions' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\domain\entities\custom_post_types\CustomTaxonomyDefinitions' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\loaders\ObjectIdentifier'                                                        => array(
-                'EventEspresso\core\services\loaders\ClassInterfaceCache' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\assets\CoreAssetManager'                                                  => array(
-                'EventEspresso\core\services\assets\AssetCollection' => EE_Dependency_Map::load_from_cache,
-                'EE_Currency_Config'                                 => EE_Dependency_Map::load_from_cache,
-                'EE_Template_Config'                                 => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\domain\Domain'                   => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\assets\Registry'        => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\admin\privacy\policy\PrivacyPolicy' => array(
-                'EEM_Payment_Method' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\domain\values\session\SessionLifespan' => EE_Dependency_Map::load_from_cache
-            ),
-            'EventEspresso\core\domain\services\admin\privacy\export\ExportAttendee' => array(
-                'EEM_Attendee' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\admin\privacy\export\ExportAttendeeBillingData' => array(
-                'EEM_Attendee' => EE_Dependency_Map::load_from_cache,
-                'EEM_Payment_Method' => EE_Dependency_Map::load_from_cache
-            ),
-            'EventEspresso\core\domain\services\admin\privacy\export\ExportCheckins' => array(
-                'EEM_Checkin' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\admin\privacy\export\ExportRegistration' => array(
-                'EEM_Registration' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\admin\privacy\export\ExportTransaction' => array(
-                'EEM_Transaction' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\admin\privacy\erasure\EraseAttendeeData' => array(
-                'EEM_Attendee' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\admin\privacy\erasure\EraseAnswers' => array(
-                'EEM_Answer' => EE_Dependency_Map::load_from_cache,
-                'EEM_Question' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\CPTs\CptQueryModifier' => array(
-                null,
-                null,
-                null,
-                'EE_Request_Handler'                          => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\request\Request' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\loaders\Loader'  => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\admin\privacy\forms\PrivacySettingsFormHandler' => array(
-                'EE_Registry' => EE_Dependency_Map::load_from_cache,
-                'EE_Config' => EE_Dependency_Map::load_from_cache
-            ),
-            'EventEspresso\core\services\editor\BlockRegistrationManager'                                                 => array(
-                'EventEspresso\core\services\assets\BlockAssetManagerCollection' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\domain\entities\editor\BlockCollection'      => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\route_match\RouteMatchSpecificationManager' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\request\Request'                    => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\entities\editor\CoreBlocksAssetManager' => array(
-                'EventEspresso\core\domain\Domain'                   => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\assets\AssetCollection' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\assets\Registry'        => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\blocks\EventAttendeesBlockRenderer' => array(
-                'EventEspresso\core\domain\Domain' => EE_Dependency_Map::load_from_cache,
-                'EEM_Attendee' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\entities\editor\blocks\EventAttendees' => array(
-                'EventEspresso\core\domain\entities\editor\CoreBlocksAssetManager' => self::load_from_cache,
-                'EventEspresso\core\services\request\Request' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\domain\services\blocks\EventAttendeesBlockRenderer' => self::load_from_cache,
-            ),
-            'EventEspresso\core\services\route_match\RouteMatchSpecificationDependencyResolver' => array(
-                'EventEspresso\core\services\container\Mirror' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\loaders\ClassInterfaceCache' => EE_Dependency_Map::load_from_cache,
-                'EE_Dependency_Map' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\route_match\RouteMatchSpecificationFactory' => array(
-                'EventEspresso\core\services\route_match\RouteMatchSpecificationDependencyResolver' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\loaders\Loader' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\route_match\RouteMatchSpecificationManager' => array(
-                'EventEspresso\core\services\route_match\RouteMatchSpecificationCollection' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\route_match\RouteMatchSpecificationFactory' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\libraries\rest_api\CalculatedModelFields' => array(
-                'EventEspresso\core\libraries\rest_api\calculations\CalculatedModelFieldsFactory' => EE_Dependency_Map::load_from_cache
-            ),
-            'EventEspresso\core\libraries\rest_api\calculations\CalculatedModelFieldsFactory' => array(
-                'EventEspresso\core\services\loaders\Loader'  => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\libraries\rest_api\controllers\model\Read' => array(
-                'EventEspresso\core\libraries\rest_api\CalculatedModelFields' => EE_Dependency_Map::load_from_cache
-            ),
-            'EventEspresso\core\libraries\rest_api\calculations\Datetime' => array(
-                'EEM_Datetime' => EE_Dependency_Map::load_from_cache,
-                'EEM_Registration' => EE_Dependency_Map::load_from_cache
-            ),
-            'EventEspresso\core\libraries\rest_api\calculations\Event' => array(
-                'EEM_Event' => EE_Dependency_Map::load_from_cache,
-                'EEM_Registration' => EE_Dependency_Map::load_from_cache
-            ),
-            'EventEspresso\core\libraries\rest_api\calculations\Registration' => array(
-                'EEM_Registration' => EE_Dependency_Map::load_from_cache
-            ),
-            'EventEspresso\core\services\session\SessionStartHandler' => array(
-                'EventEspresso\core\services\request\Request' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EE_URL_Validation_Strategy' => array(
-                null,
-                null,
-                'EventEspresso\core\services\validators\URLValidator' => EE_Dependency_Map::load_from_cache
-            ),
-            'EventEspresso\admin_pages\general_settings\OrganizationSettings' => array(
-                'EE_Registry'                                             => EE_Dependency_Map::load_from_cache,
-                'EE_Organization_Config'                                  => EE_Dependency_Map::load_from_cache,
-                'EE_Core_Config'                                          => EE_Dependency_Map::load_from_cache,
-                'EE_Network_Core_Config'                                  => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\address\CountrySubRegionDao' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\address\CountrySubRegionDao' => array(
-                'EEM_State'                                            => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\validators\JsonValidator' => EE_Dependency_Map::load_from_cache
-            ),
-            'EventEspresso\core\domain\services\admin\ajax\WordpressHeartbeat' => array(
-                'EventEspresso\core\services\loaders\Loader'  => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\request\Request' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\domain\services\admin\ajax\EventEditorHeartbeat' => array(
-                'EventEspresso\core\domain\Domain' => EE_Dependency_Map::load_from_cache,
-                'EE_Environment_Config'            => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspresso\core\services\request\files\FilesDataHandler' => array(
-                'EventEspresso\core\services\request\Request' => EE_Dependency_Map::load_from_cache,
-            ),
-            'EventEspressoBatchRequest\BatchRequestProcessor'                              => [
-                'EventEspresso\core\services\loaders\Loader'  => EE_Dependency_Map::load_from_cache,
-            ],
-            'EventEspresso\core\domain\services\admin\registrations\list_table\QueryBuilder' => [
-                null,
-                'EventEspresso\core\services\request\Request' => EE_Dependency_Map::load_from_cache,
-                'EEM_Registration'  => EE_Dependency_Map::load_from_cache,
-            ],
-            'EventEspresso\core\domain\services\admin\registrations\list_table\page_header\AttendeeFilterHeader' => [
-                'EventEspresso\core\services\request\Request' => EE_Dependency_Map::load_from_cache,
-                'EEM_Attendee'  => EE_Dependency_Map::load_from_cache,
-            ],
-            'EventEspresso\core\domain\services\admin\registrations\list_table\page_header\DateFilterHeader' => [
-                'EventEspresso\core\services\request\Request' => EE_Dependency_Map::load_from_cache,
-                'EEM_Datetime'  => EE_Dependency_Map::load_from_cache,
-            ],
-            'EventEspresso\core\domain\services\admin\registrations\list_table\page_header\EventFilterHeader' => [
-                'EventEspresso\core\services\request\Request' => EE_Dependency_Map::load_from_cache,
-                'EEM_Event'  => EE_Dependency_Map::load_from_cache,
-            ],
-            'EventEspresso\core\domain\services\admin\registrations\list_table\page_header\TicketFilterHeader' => [
-                'EventEspresso\core\services\request\Request' => EE_Dependency_Map::load_from_cache,
-                'EEM_Ticket'  => EE_Dependency_Map::load_from_cache,
-            ],
-            'EventEspresso\core\domain\services\converters\RestApiSpoofer' => [
-                'WP_REST_Server' => EE_Dependency_Map::load_from_cache,
-                'EED_Core_Rest_Api' => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\libraries\rest_api\controllers\model\Read' => EE_Dependency_Map::load_from_cache,
-                null
-            ],
-            'EventEspresso\core\domain\services\admin\events\default_settings\AdvancedEditorAdminFormSection'  => [
-                'EE_Admin_Config' => EE_Dependency_Map::load_from_cache
-            ],
-            'EventEspresso\core\domain\services\admin\events\editor\AdvancedEditorData'  => [
-                'EE_Event'        => EE_Dependency_Map::not_registered,
-                'EE_Admin_Config' => EE_Dependency_Map::load_from_cache,
-                'EEM_Datetime'    => EE_Dependency_Map::load_from_cache,
-                'EEM_Price'       => EE_Dependency_Map::load_from_cache,
-                'EEM_Ticket'      => EE_Dependency_Map::load_from_cache,
-            ],
-            'EventEspresso\core\services\graphql\GraphQLManager' => [
-                'EventEspresso\core\services\graphql\TypesManager'  => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\graphql\InputsManager'  => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\graphql\EnumsManager'  => EE_Dependency_Map::load_from_cache,
-                'EventEspresso\core\services\graphql\ConnectionsManager'  => EE_Dependency_Map::load_from_cache,
-            ],
-            'EventEspresso\core\services\graphql\TypesManager' => [
-                'EventEspresso\core\services\graphql\types\TypeCollection' => EE_Dependency_Map::load_from_cache,
-            ],
-            'EventEspresso\core\services\graphql\InputsManager' => [
-                'EventEspresso\core\services\graphql\inputs\InputCollection' => EE_Dependency_Map::load_from_cache,
-            ],
-            'EventEspresso\core\services\graphql\EnumsManager' => [
-                'EventEspresso\core\services\graphql\enums\EnumCollection' => EE_Dependency_Map::load_from_cache,
-            ],
-            'EventEspresso\core\services\graphql\ConnectionsManager' => [
-                'EventEspresso\core\services\graphql\connections\ConnectionCollection' => EE_Dependency_Map::load_from_cache,
-            ],
-            'EventEspresso\core\domain\services\graphql\types\Datetime' => [
-                'EEM_Datetime' => EE_Dependency_Map::load_from_cache,
-            ],
-            'EventEspresso\core\domain\services\graphql\types\Event' => [
-                'EEM_Event' => EE_Dependency_Map::load_from_cache,
-            ],
-            'EventEspresso\core\domain\services\graphql\types\Ticket' => [
-                'EEM_Ticket' => EE_Dependency_Map::load_from_cache,
-            ],
-            'EventEspresso\core\domain\services\graphql\types\Price' => [
-                'EEM_Price' => EE_Dependency_Map::load_from_cache,
-            ],
-            'EventEspresso\core\domain\services\graphql\types\PriceType' => [
-                'EEM_Price_Type' => EE_Dependency_Map::load_from_cache,
-            ],
-            'EventEspresso\core\domain\services\graphql\types\Venue' => [
-                'EEM_Venue' => EE_Dependency_Map::load_from_cache,
-            ],
-            'EventEspresso\core\domain\services\graphql\types\State' => [
-                'EEM_State' => EE_Dependency_Map::load_from_cache,
-            ],
-            'EventEspresso\core\domain\services\graphql\types\Country' => [
-                'EEM_Country' => EE_Dependency_Map::load_from_cache,
-            ],
-            'EventEspresso\core\domain\services\graphql\connections\EventDatetimesConnection' => [
-                'EEM_Datetime' => EE_Dependency_Map::load_from_cache,
-            ],
-            'EventEspresso\core\domain\services\graphql\connections\RootQueryDatetimesConnection' => [
-                'EEM_Datetime' => EE_Dependency_Map::load_from_cache,
-            ],
-            'EventEspresso\core\domain\services\graphql\connections\DatetimeTicketsConnection' => [
-                'EEM_Ticket' => EE_Dependency_Map::load_from_cache,
-            ],
-            'EventEspresso\core\domain\services\graphql\connections\RootQueryTicketsConnection' => [
-                'EEM_Ticket' => EE_Dependency_Map::load_from_cache,
-            ],
-            'EventEspresso\core\domain\services\graphql\connections\TicketPricesConnection' => [
-                'EEM_Price' => EE_Dependency_Map::load_from_cache,
-            ],
-            'EventEspresso\core\domain\services\graphql\connections\RootQueryPricesConnection' => [
-                'EEM_Price' => EE_Dependency_Map::load_from_cache,
-            ],
-            'EventEspresso\core\domain\services\graphql\connections\RootQueryPriceTypesConnection' => [
-                'EEM_Price_Type' => EE_Dependency_Map::load_from_cache,
-            ],
-            'EventEspresso\core\domain\services\graphql\connections\TicketDatetimesConnection' => [
-                'EEM_Datetime' => EE_Dependency_Map::load_from_cache,
-            ],
-            'EventEspresso\core\domain\services\graphql\connections\EventVenuesConnection' => [
-                'EEM_Venue' => EE_Dependency_Map::load_from_cache,
-            ],
-        );
-    }
-
-
-    /**
-     * Registers how core classes are loaded.
-     * This can either be done by simply providing the name of one of the EE_Registry loader methods such as:
-     *        'EE_Request_Handler' => 'load_core'
-     *        'EE_Messages_Queue'  => 'load_lib'
-     *        'EEH_Debug_Tools'    => 'load_helper'
-     * or, if greater control is required, by providing a custom closure. For example:
-     *        'Some_Class' => function () {
-     *            return new Some_Class();
-     *        },
-     * This is required for instantiating dependencies
-     * where an interface has been type hinted in a class constructor. For example:
-     *        'Required_Interface' => function () {
-     *            return new A_Class_That_Implements_Required_Interface();
-     *        },
-     */
-    protected function _register_core_class_loaders()
-    {
-        $this->_class_loaders = array(
-            // load_core
-            'EE_Dependency_Map'                            => function () {
-                return $this;
-            },
-            'EE_Capabilities'                              => 'load_core',
-            'EE_Encryption'                                => 'load_core',
-            'EE_Front_Controller'                          => 'load_core',
-            'EE_Module_Request_Router'                     => 'load_core',
-            'EE_Registry'                                  => 'load_core',
-            'EE_Request'                                   => function () {
-                return $this->legacy_request;
-            },
-            'EventEspresso\core\services\request\Request'  => function () {
-                return $this->request;
-            },
-            'EventEspresso\core\services\request\Response' => function () {
-                return $this->response;
-            },
-            'EE_Base'                                      => 'load_core',
-            'EE_Request_Handler'                           => 'load_core',
-            'EE_Session'                                   => 'load_core',
-            'EE_Cron_Tasks'                                => 'load_core',
-            'EE_System'                                    => 'load_core',
-            'EE_Maintenance_Mode'                          => 'load_core',
-            'EE_Register_CPTs'                             => 'load_core',
-            'EE_Admin'                                     => 'load_core',
-            'EE_CPT_Strategy'                              => 'load_core',
-            // load_class
-            'EE_Registration_Processor'                    => 'load_class',
-            // load_lib
-            'EE_Message_Resource_Manager'                  => 'load_lib',
-            'EE_Message_Type_Collection'                   => 'load_lib',
-            'EE_Message_Type_Collection_Loader'            => 'load_lib',
-            'EE_Messenger_Collection'                      => 'load_lib',
-            'EE_Messenger_Collection_Loader'               => 'load_lib',
-            'EE_Messages_Processor'                        => 'load_lib',
-            'EE_Message_Repository'                        => 'load_lib',
-            'EE_Messages_Queue'                            => 'load_lib',
-            'EE_Messages_Data_Handler_Collection'          => 'load_lib',
-            'EE_Message_Template_Group_Collection'         => 'load_lib',
-            'EE_Payment_Method_Manager'                    => 'load_lib',
-            'EE_DMS_Core_4_1_0'                            => 'load_dms',
-            'EE_DMS_Core_4_2_0'                            => 'load_dms',
-            'EE_DMS_Core_4_3_0'                            => 'load_dms',
-            'EE_DMS_Core_4_5_0'                            => 'load_dms',
-            'EE_DMS_Core_4_6_0'                            => 'load_dms',
-            'EE_DMS_Core_4_7_0'                            => 'load_dms',
-            'EE_DMS_Core_4_8_0'                            => 'load_dms',
-            'EE_DMS_Core_4_9_0'                            => 'load_dms',
-            'EE_DMS_Core_4_10_0'                            => 'load_dms',
-            'EE_Messages_Generator'                        => static function () {
-                return EE_Registry::instance()->load_lib(
-                    'Messages_Generator',
-                    array(),
-                    false,
-                    false
-                );
-            },
-            'EE_Messages_Template_Defaults'                => static function ($arguments = array()) {
-                return EE_Registry::instance()->load_lib(
-                    'Messages_Template_Defaults',
-                    $arguments,
-                    false,
-                    false
-                );
-            },
-            // load_helper
-            'EEH_Parse_Shortcodes'                         => static function () {
-                if (EE_Registry::instance()->load_helper('Parse_Shortcodes')) {
-                    return new EEH_Parse_Shortcodes();
-                }
-                return null;
-            },
-            'EE_Template_Config'                           => static function () {
-                return EE_Config::instance()->template_settings;
-            },
-            'EE_Currency_Config'                           => static function () {
-                return EE_Config::instance()->currency;
-            },
-            'EE_Registration_Config'                       => static function () {
-                return EE_Config::instance()->registration;
-            },
-            'EE_Core_Config'                               => static function () {
-                return EE_Config::instance()->core;
-            },
-            'EventEspresso\core\services\loaders\Loader'   => static function () {
-                return LoaderFactory::getLoader();
-            },
-            'EE_Network_Config'                            => static function () {
-                return EE_Network_Config::instance();
-            },
-            'EE_Config'                                    => static function () {
-                return EE_Config::instance();
-            },
-            'EventEspresso\core\domain\Domain'             => static function () {
-                return DomainFactory::getEventEspressoCoreDomain();
-            },
-            'EE_Admin_Config'                              => static function () {
-                return EE_Config::instance()->admin;
-            },
-            'EE_Organization_Config'                       => static function () {
-                return EE_Config::instance()->organization;
-            },
-            'EE_Network_Core_Config'                       => static function () {
-                return EE_Network_Config::instance()->core;
-            },
-            'EE_Environment_Config'                        => static function () {
-                return EE_Config::instance()->environment;
-            },
-            'EED_Core_Rest_Api'                            => static function () {
-                return EED_Core_Rest_Api::instance();
-            },
-            'WP_REST_Server'                            => static function () {
-                return rest_get_server();
-            },
-        );
-    }
-
-
-    /**
-     * can be used for supplying alternate names for classes,
-     * or for connecting interface names to instantiable classes
-     *
-     * @throws InvalidAliasException
-     */
-    protected function _register_core_aliases()
-    {
-        $aliases = array(
-            'CommandBusInterface'                                                          => 'EventEspresso\core\services\commands\CommandBusInterface',
-            'EventEspresso\core\services\commands\CommandBusInterface'                     => 'EventEspresso\core\services\commands\CommandBus',
-            'CommandHandlerManagerInterface'                                               => 'EventEspresso\core\services\commands\CommandHandlerManagerInterface',
-            'EventEspresso\core\services\commands\CommandHandlerManagerInterface'          => 'EventEspresso\core\services\commands\CommandHandlerManager',
-            'CapChecker'                                                                   => 'EventEspresso\core\services\commands\middleware\CapChecker',
-            'AddActionHook'                                                                => 'EventEspresso\core\services\commands\middleware\AddActionHook',
-            'CapabilitiesChecker'                                                          => 'EventEspresso\core\domain\services\capabilities\CapabilitiesChecker',
-            'CapabilitiesCheckerInterface'                                                 => 'EventEspresso\core\domain\services\capabilities\CapabilitiesCheckerInterface',
-            'EventEspresso\core\domain\services\capabilities\CapabilitiesCheckerInterface' => 'EventEspresso\core\domain\services\capabilities\CapabilitiesChecker',
-            'CreateRegistrationService'                                                    => 'EventEspresso\core\domain\services\registration\CreateRegistrationService',
-            'CreateRegistrationCommandHandler'                                             => 'EventEspresso\core\services\commands\registration\CreateRegistrationCommand',
-            'CopyRegistrationDetailsCommandHandler'                                        => 'EventEspresso\core\services\commands\registration\CopyRegistrationDetailsCommand',
-            'CopyRegistrationPaymentsCommandHandler'                                       => 'EventEspresso\core\services\commands\registration\CopyRegistrationPaymentsCommand',
-            'CancelRegistrationAndTicketLineItemCommandHandler'                            => 'EventEspresso\core\services\commands\registration\CancelRegistrationAndTicketLineItemCommandHandler',
-            'UpdateRegistrationAndTransactionAfterChangeCommandHandler'                    => 'EventEspresso\core\services\commands\registration\UpdateRegistrationAndTransactionAfterChangeCommandHandler',
-            'CreateTicketLineItemCommandHandler'                                           => 'EventEspresso\core\services\commands\ticket\CreateTicketLineItemCommand',
-            'CreateTransactionCommandHandler'                                              => 'EventEspresso\core\services\commands\transaction\CreateTransactionCommandHandler',
-            'CreateAttendeeCommandHandler'                                                 => 'EventEspresso\core\services\commands\attendee\CreateAttendeeCommandHandler',
-            'TableManager'                                                                 => 'EventEspresso\core\services\database\TableManager',
-            'TableAnalysis'                                                                => 'EventEspresso\core\services\database\TableAnalysis',
-            'EspressoShortcode'                                                            => 'EventEspresso\core\services\shortcodes\EspressoShortcode',
-            'ShortcodeInterface'                                                           => 'EventEspresso\core\services\shortcodes\ShortcodeInterface',
-            'EventEspresso\core\services\shortcodes\ShortcodeInterface'                    => 'EventEspresso\core\services\shortcodes\EspressoShortcode',
-            'EventEspresso\core\services\cache\CacheStorageInterface'                      => 'EventEspresso\core\services\cache\TransientCacheStorage',
-            'LoaderInterface'                                                              => 'EventEspresso\core\services\loaders\LoaderInterface',
-            'EventEspresso\core\services\loaders\LoaderInterface'                          => 'EventEspresso\core\services\loaders\Loader',
-            'CommandFactoryInterface'                                                      => 'EventEspresso\core\services\commands\CommandFactoryInterface',
-            'EventEspresso\core\services\commands\CommandFactoryInterface'                 => 'EventEspresso\core\services\commands\CommandFactory',
-            'EmailValidatorInterface'                                                      => 'EventEspresso\core\domain\services\validation\email\EmailValidatorInterface',
-            'EventEspresso\core\domain\services\validation\email\EmailValidatorInterface'  => 'EventEspresso\core\domain\services\validation\email\EmailValidationService',
-            'NoticeConverterInterface'                                                     => 'EventEspresso\core\services\notices\NoticeConverterInterface',
-            'EventEspresso\core\services\notices\NoticeConverterInterface'                 => 'EventEspresso\core\services\notices\ConvertNoticesToEeErrors',
-            'NoticesContainerInterface'                                                    => 'EventEspresso\core\services\notices\NoticesContainerInterface',
-            'EventEspresso\core\services\notices\NoticesContainerInterface'                => 'EventEspresso\core\services\notices\NoticesContainer',
-            'EventEspresso\core\services\request\RequestInterface'                         => 'EventEspresso\core\services\request\Request',
-            'EventEspresso\core\services\request\ResponseInterface'                        => 'EventEspresso\core\services\request\Response',
-            'EventEspresso\core\domain\DomainInterface'                                    => 'EventEspresso\core\domain\Domain',
-            'Registration_Processor'                                                       => 'EE_Registration_Processor',
-        );
-        foreach ($aliases as $alias => $fqn) {
-            if (is_array($fqn)) {
-                foreach ($fqn as $class => $for_class) {
-                    $this->class_cache->addAlias($class, $alias, $for_class);
-                }
-                continue;
-            }
-            $this->class_cache->addAlias($fqn, $alias);
-        }
-        if (! (defined('DOING_AJAX') && DOING_AJAX) && is_admin()) {
-            $this->class_cache->addAlias(
-                'EventEspresso\core\services\notices\ConvertNoticesToAdminNotices',
-                'EventEspresso\core\services\notices\NoticeConverterInterface'
-            );
-        }
-    }
-
-
-    /**
-     * This is used to reset the internal map and class_loaders to their original default state at the beginning of the
-     * request Primarily used by unit tests.
-     */
-    public function reset()
-    {
-        $this->_register_core_class_loaders();
-        $this->_register_core_dependencies();
-    }
-
-
-    /**
-     * PLZ NOTE: a better name for this method would be is_alias()
-     * because it returns TRUE if the provided fully qualified name IS an alias
-     * WHY?
-     * Because if a class is type hinting for a concretion,
-     * then why would we need to find another class to supply it?
-     * ie: if a class asks for `Fully/Qualified/Namespace/SpecificClassName`,
-     * then give it an instance of `Fully/Qualified/Namespace/SpecificClassName`.
-     * Don't go looking for some substitute.
-     * Whereas if a class is type hinting for an interface...
-     * then we need to find an actual class to use.
-     * So the interface IS the alias for some other FQN,
-     * and we need to find out if `Fully/Qualified/Namespace/SomeInterface`
-     * represents some other class.
-     *
-     * @deprecated 4.9.62.p
-     * @param string $fqn
-     * @param string $for_class
-     * @return bool
-     */
-    public function has_alias($fqn = '', $for_class = '')
-    {
-        return $this->isAlias($fqn, $for_class);
-    }
-
-
-    /**
-     * PLZ NOTE: a better name for this method would be get_fqn_for_alias()
-     * because it returns a FQN for provided alias if one exists, otherwise returns the original $alias
-     * functions recursively, so that multiple aliases can be used to drill down to a FQN
-     *  for example:
-     *      if the following two entries were added to the _aliases array:
-     *          array(
-     *              'interface_alias'           => 'some\namespace\interface'
-     *              'some\namespace\interface'  => 'some\namespace\classname'
-     *          )
-     *      then one could use EE_Registry::instance()->create( 'interface_alias' )
-     *      to load an instance of 'some\namespace\classname'
-     *
-     * @deprecated 4.9.62.p
-     * @param string $alias
-     * @param string $for_class
-     * @return string
-     */
-    public function get_alias($alias = '', $for_class = '')
-    {
-        return $this->getFqnForAlias($alias, $for_class);
-    }
+	/**
+	 * This means that the requested class dependency is not present in the dependency map
+	 */
+	const not_registered = 0;
+
+	/**
+	 * This instructs class loaders to ALWAYS return a newly instantiated object for the requested class.
+	 */
+	const load_new_object = 1;
+
+	/**
+	 * This instructs class loaders to return a previously instantiated and cached object for the requested class.
+	 * IF a previously instantiated object does not exist, a new one will be created and added to the cache.
+	 */
+	const load_from_cache = 2;
+
+	/**
+	 * When registering a dependency,
+	 * this indicates to keep any existing dependencies that already exist,
+	 * and simply discard any new dependencies declared in the incoming data
+	 */
+	const KEEP_EXISTING_DEPENDENCIES = 0;
+
+	/**
+	 * When registering a dependency,
+	 * this indicates to overwrite any existing dependencies that already exist using the incoming data
+	 */
+	const OVERWRITE_DEPENDENCIES = 1;
+
+
+	/**
+	 * @type EE_Dependency_Map $_instance
+	 */
+	protected static $_instance;
+
+	/**
+	 * @var ClassInterfaceCache $class_cache
+	 */
+	private $class_cache;
+
+	/**
+	 * @type RequestInterface $request
+	 */
+	protected $request;
+
+	/**
+	 * @type LegacyRequestInterface $legacy_request
+	 */
+	protected $legacy_request;
+
+	/**
+	 * @type ResponseInterface $response
+	 */
+	protected $response;
+
+	/**
+	 * @type LoaderInterface $loader
+	 */
+	protected $loader;
+
+	/**
+	 * @type array $_dependency_map
+	 */
+	protected $_dependency_map = array();
+
+	/**
+	 * @type array $_class_loaders
+	 */
+	protected $_class_loaders = array();
+
+
+	/**
+	 * EE_Dependency_Map constructor.
+	 *
+	 * @param ClassInterfaceCache $class_cache
+	 */
+	protected function __construct(ClassInterfaceCache $class_cache)
+	{
+		$this->class_cache = $class_cache;
+		do_action('EE_Dependency_Map____construct', $this);
+	}
+
+
+	/**
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidAliasException
+	 */
+	public function initialize()
+	{
+		$this->_register_core_dependencies();
+		$this->_register_core_class_loaders();
+		$this->_register_core_aliases();
+	}
+
+
+	/**
+	 * @singleton method used to instantiate class object
+	 * @param ClassInterfaceCache|null $class_cache
+	 * @return EE_Dependency_Map
+	 */
+	public static function instance(ClassInterfaceCache $class_cache = null)
+	{
+		// check if class object is instantiated, and instantiated properly
+		if (! self::$_instance instanceof EE_Dependency_Map
+			&& $class_cache instanceof ClassInterfaceCache
+		) {
+			self::$_instance = new EE_Dependency_Map($class_cache);
+		}
+		return self::$_instance;
+	}
+
+
+	/**
+	 * @param RequestInterface $request
+	 */
+	public function setRequest(RequestInterface $request)
+	{
+		$this->request = $request;
+	}
+
+
+	/**
+	 * @param LegacyRequestInterface $legacy_request
+	 */
+	public function setLegacyRequest(LegacyRequestInterface $legacy_request)
+	{
+		$this->legacy_request = $legacy_request;
+	}
+
+
+	/**
+	 * @param ResponseInterface $response
+	 */
+	public function setResponse(ResponseInterface $response)
+	{
+		$this->response = $response;
+	}
+
+
+	/**
+	 * @param LoaderInterface $loader
+	 */
+	public function setLoader(LoaderInterface $loader)
+	{
+		$this->loader = $loader;
+	}
+
+
+	/**
+	 * @param string $class
+	 * @param array  $dependencies
+	 * @param int    $overwrite
+	 * @return bool
+	 */
+	public static function register_dependencies(
+		$class,
+		array $dependencies,
+		$overwrite = EE_Dependency_Map::KEEP_EXISTING_DEPENDENCIES
+	) {
+		return self::$_instance->registerDependencies($class, $dependencies, $overwrite);
+	}
+
+
+	/**
+	 * Assigns an array of class names and corresponding load sources (new or cached)
+	 * to the class specified by the first parameter.
+	 * IMPORTANT !!!
+	 * The order of elements in the incoming $dependencies array MUST match
+	 * the order of the constructor parameters for the class in question.
+	 * This is especially important when overriding any existing dependencies that are registered.
+	 * the third parameter controls whether any duplicate dependencies are overwritten or not.
+	 *
+	 * @param string $class
+	 * @param array  $dependencies
+	 * @param int    $overwrite
+	 * @return bool
+	 */
+	public function registerDependencies(
+		$class,
+		array $dependencies,
+		$overwrite = EE_Dependency_Map::KEEP_EXISTING_DEPENDENCIES
+	) {
+		$class = trim($class, '\\');
+		$registered = false;
+		if (empty(self::$_instance->_dependency_map[ $class ])) {
+			self::$_instance->_dependency_map[ $class ] = array();
+		}
+		// we need to make sure that any aliases used when registering a dependency
+		// get resolved to the correct class name
+		foreach ($dependencies as $dependency => $load_source) {
+			$alias = self::$_instance->getFqnForAlias($dependency);
+			if ($overwrite === EE_Dependency_Map::OVERWRITE_DEPENDENCIES
+				|| ! isset(self::$_instance->_dependency_map[ $class ][ $alias ])
+			) {
+				unset($dependencies[ $dependency ]);
+				$dependencies[ $alias ] = $load_source;
+				$registered = true;
+			}
+		}
+		// now add our two lists of dependencies together.
+		// using Union (+=) favours the arrays in precedence from left to right,
+		// so $dependencies is NOT overwritten because it is listed first
+		// ie: with A = B + C, entries in B take precedence over duplicate entries in C
+		// Union is way faster than array_merge() but should be used with caution...
+		// especially with numerically indexed arrays
+		$dependencies += self::$_instance->_dependency_map[ $class ];
+		// now we need to ensure that the resulting dependencies
+		// array only has the entries that are required for the class
+		// so first count how many dependencies were originally registered for the class
+		$dependency_count = count(self::$_instance->_dependency_map[ $class ]);
+		// if that count is non-zero (meaning dependencies were already registered)
+		self::$_instance->_dependency_map[ $class ] = $dependency_count
+			// then truncate the  final array to match that count
+			? array_slice($dependencies, 0, $dependency_count)
+			// otherwise just take the incoming array because nothing previously existed
+			: $dependencies;
+		return $registered;
+	}
+
+
+	/**
+	 * @param string $class_name
+	 * @param string $loader
+	 * @return bool
+	 * @throws DomainException
+	 */
+	public static function register_class_loader($class_name, $loader = 'load_core')
+	{
+		if (! $loader instanceof Closure && strpos($class_name, '\\') !== false) {
+			throw new DomainException(
+				esc_html__('Don\'t use class loaders for FQCNs.', 'event_espresso')
+			);
+		}
+		// check that loader is callable or method starts with "load_" and exists in EE_Registry
+		if (! is_callable($loader)
+			&& (
+				strpos($loader, 'load_') !== 0
+				|| ! method_exists('EE_Registry', $loader)
+			)
+		) {
+			throw new DomainException(
+				sprintf(
+					esc_html__(
+						'"%1$s" is not a valid loader method on EE_Registry.',
+						'event_espresso'
+					),
+					$loader
+				)
+			);
+		}
+		$class_name = self::$_instance->getFqnForAlias($class_name);
+		if (! isset(self::$_instance->_class_loaders[ $class_name ])) {
+			self::$_instance->_class_loaders[ $class_name ] = $loader;
+			return true;
+		}
+		return false;
+	}
+
+
+	/**
+	 * @return array
+	 */
+	public function dependency_map()
+	{
+		return $this->_dependency_map;
+	}
+
+
+	/**
+	 * returns TRUE if dependency map contains a listing for the provided class name
+	 *
+	 * @param string $class_name
+	 * @return boolean
+	 */
+	public function has($class_name = '')
+	{
+		// all legacy models have the same dependencies
+		if (strpos($class_name, 'EEM_') === 0) {
+			$class_name = 'LEGACY_MODELS';
+		}
+		return isset($this->_dependency_map[ $class_name ]) ? true : false;
+	}
+
+
+	/**
+	 * returns TRUE if dependency map contains a listing for the provided class name AND dependency
+	 *
+	 * @param string $class_name
+	 * @param string $dependency
+	 * @return bool
+	 */
+	public function has_dependency_for_class($class_name = '', $dependency = '')
+	{
+		// all legacy models have the same dependencies
+		if (strpos($class_name, 'EEM_') === 0) {
+			$class_name = 'LEGACY_MODELS';
+		}
+		$dependency = $this->getFqnForAlias($dependency, $class_name);
+		return isset($this->_dependency_map[ $class_name ][ $dependency ])
+			? true
+			: false;
+	}
+
+
+	/**
+	 * returns loading strategy for whether a previously cached dependency should be loaded or a new instance returned
+	 *
+	 * @param string $class_name
+	 * @param string $dependency
+	 * @return int
+	 */
+	public function loading_strategy_for_class_dependency($class_name = '', $dependency = '')
+	{
+		// all legacy models have the same dependencies
+		if (strpos($class_name, 'EEM_') === 0) {
+			$class_name = 'LEGACY_MODELS';
+		}
+		$dependency = $this->getFqnForAlias($dependency);
+		return $this->has_dependency_for_class($class_name, $dependency)
+			? $this->_dependency_map[ $class_name ][ $dependency ]
+			: EE_Dependency_Map::not_registered;
+	}
+
+
+	/**
+	 * @param string $class_name
+	 * @return string | Closure
+	 */
+	public function class_loader($class_name)
+	{
+		// all legacy models use load_model()
+		if (strpos($class_name, 'EEM_') === 0) {
+			return 'load_model';
+		}
+		// EE_CPT_*_Strategy classes like EE_CPT_Event_Strategy, EE_CPT_Venue_Strategy, etc
+		// perform strpos() first to avoid loading regex every time we load a class
+		if (strpos($class_name, 'EE_CPT_') === 0
+			&& preg_match('/^EE_CPT_([a-zA-Z]+)_Strategy$/', $class_name)
+		) {
+			return 'load_core';
+		}
+		$class_name = $this->getFqnForAlias($class_name);
+		return isset($this->_class_loaders[ $class_name ]) ? $this->_class_loaders[ $class_name ] : '';
+	}
+
+
+	/**
+	 * @return array
+	 */
+	public function class_loaders()
+	{
+		return $this->_class_loaders;
+	}
+
+
+	/**
+	 * adds an alias for a classname
+	 *
+	 * @param string $fqcn      the class name that should be used (concrete class to replace interface)
+	 * @param string $alias     the class name that would be type hinted for (abstract parent or interface)
+	 * @param string $for_class the class that has the dependency (is type hinting for the interface)
+	 * @throws InvalidAliasException
+	 */
+	public function add_alias($fqcn, $alias, $for_class = '')
+	{
+		$this->class_cache->addAlias($fqcn, $alias, $for_class);
+	}
+
+
+	/**
+	 * Returns TRUE if the provided fully qualified name IS an alias
+	 * WHY?
+	 * Because if a class is type hinting for a concretion,
+	 * then why would we need to find another class to supply it?
+	 * ie: if a class asks for `Fully/Qualified/Namespace/SpecificClassName`,
+	 * then give it an instance of `Fully/Qualified/Namespace/SpecificClassName`.
+	 * Don't go looking for some substitute.
+	 * Whereas if a class is type hinting for an interface...
+	 * then we need to find an actual class to use.
+	 * So the interface IS the alias for some other FQN,
+	 * and we need to find out if `Fully/Qualified/Namespace/SomeInterface`
+	 * represents some other class.
+	 *
+	 * @param string $fqn
+	 * @param string $for_class
+	 * @return bool
+	 */
+	public function isAlias($fqn = '', $for_class = '')
+	{
+		return $this->class_cache->isAlias($fqn, $for_class);
+	}
+
+
+	/**
+	 * Returns a FQN for provided alias if one exists, otherwise returns the original $alias
+	 * functions recursively, so that multiple aliases can be used to drill down to a FQN
+	 *  for example:
+	 *      if the following two entries were added to the _aliases array:
+	 *          array(
+	 *              'interface_alias'           => 'some\namespace\interface'
+	 *              'some\namespace\interface'  => 'some\namespace\classname'
+	 *          )
+	 *      then one could use EE_Registry::instance()->create( 'interface_alias' )
+	 *      to load an instance of 'some\namespace\classname'
+	 *
+	 * @param string $alias
+	 * @param string $for_class
+	 * @return string
+	 */
+	public function getFqnForAlias($alias = '', $for_class = '')
+	{
+		return (string) $this->class_cache->getFqnForAlias($alias, $for_class);
+	}
+
+
+	/**
+	 * Registers the core dependencies and whether a previously instantiated object should be loaded from the cache,
+	 * if one exists, or whether a new object should be generated every time the requested class is loaded.
+	 * This is done by using the following class constants:
+	 *        EE_Dependency_Map::load_from_cache - loads previously instantiated object
+	 *        EE_Dependency_Map::load_new_object - generates a new object every time
+	 */
+	protected function _register_core_dependencies()
+	{
+		$this->_dependency_map = array(
+			'EE_Request_Handler'                                                                                          => array(
+				'EE_Request' => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_System'                                                                                                   => array(
+				'EE_Registry'                                 => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\loaders\Loader'  => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\request\Request' => EE_Dependency_Map::load_from_cache,
+				'EE_Maintenance_Mode'                         => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_Session'                                                                                                  => array(
+				'EventEspresso\core\services\cache\TransientCacheStorage'  => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\domain\values\session\SessionLifespan' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\request\Request'              => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\session\SessionStartHandler'  => EE_Dependency_Map::load_from_cache,
+				'EE_Encryption'                                            => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_Cart'                                                                                                     => array(
+				'EE_Session' => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_Front_Controller'                                                                                         => array(
+				'EE_Registry'              => EE_Dependency_Map::load_from_cache,
+				'EE_Request_Handler'       => EE_Dependency_Map::load_from_cache,
+				'EE_Module_Request_Router' => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_Messenger_Collection_Loader'                                                                              => array(
+				'EE_Messenger_Collection' => EE_Dependency_Map::load_new_object,
+			),
+			'EE_Message_Type_Collection_Loader'                                                                           => array(
+				'EE_Message_Type_Collection' => EE_Dependency_Map::load_new_object,
+			),
+			'EE_Message_Resource_Manager'                                                                                 => array(
+				'EE_Messenger_Collection_Loader'    => EE_Dependency_Map::load_new_object,
+				'EE_Message_Type_Collection_Loader' => EE_Dependency_Map::load_new_object,
+				'EEM_Message_Template_Group'        => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_Message_Factory'                                                                                          => array(
+				'EE_Message_Resource_Manager' => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_messages'                                                                                                 => array(
+				'EE_Message_Resource_Manager' => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_Messages_Generator'                                                                                       => array(
+				'EE_Messages_Queue'                    => EE_Dependency_Map::load_new_object,
+				'EE_Messages_Data_Handler_Collection'  => EE_Dependency_Map::load_new_object,
+				'EE_Message_Template_Group_Collection' => EE_Dependency_Map::load_new_object,
+				'EEH_Parse_Shortcodes'                 => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_Messages_Processor'                                                                                       => array(
+				'EE_Message_Resource_Manager' => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_Messages_Queue'                                                                                           => array(
+				'EE_Message_Repository' => EE_Dependency_Map::load_new_object,
+			),
+			'EE_Messages_Template_Defaults'                                                                               => array(
+				'EEM_Message_Template_Group' => EE_Dependency_Map::load_from_cache,
+				'EEM_Message_Template'       => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_Message_To_Generate_From_Request'                                                                         => array(
+				'EE_Message_Resource_Manager' => EE_Dependency_Map::load_from_cache,
+				'EE_Request_Handler'          => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\commands\CommandBus'                                                             => array(
+				'EventEspresso\core\services\commands\CommandHandlerManager' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\services\commands\CommandHandler'                                                              => array(
+				'EE_Registry'         => EE_Dependency_Map::load_from_cache,
+				'CommandBusInterface' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\commands\CommandHandlerManager'                                                  => array(
+				'EventEspresso\core\services\loaders\Loader' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\commands\CompositeCommandHandler'                                                => array(
+				'EventEspresso\core\services\commands\CommandBus'     => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\commands\CommandFactory' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\commands\CommandFactory'                                                         => array(
+				'EventEspresso\core\services\loaders\Loader' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\commands\middleware\CapChecker'                                                  => array(
+				'EventEspresso\core\domain\services\capabilities\CapabilitiesChecker' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\capabilities\CapabilitiesChecker'                                         => array(
+				'EE_Capabilities' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\capabilities\RegistrationsCapChecker'                                     => array(
+				'EE_Capabilities' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\commands\registration\CreateRegistrationCommandHandler'                          => array(
+				'EventEspresso\core\domain\services\registration\CreateRegistrationService' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\commands\registration\CopyRegistrationDetailsCommandHandler'                     => array(
+				'EventEspresso\core\domain\services\registration\CopyRegistrationService' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\commands\registration\CopyRegistrationPaymentsCommandHandler'                    => array(
+				'EventEspresso\core\domain\services\registration\CopyRegistrationService' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\commands\registration\CancelRegistrationAndTicketLineItemCommandHandler'         => array(
+				'EventEspresso\core\domain\services\registration\CancelTicketLineItemService' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\commands\registration\UpdateRegistrationAndTransactionAfterChangeCommandHandler' => array(
+				'EventEspresso\core\domain\services\registration\UpdateRegistrationService' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\commands\ticket\CreateTicketLineItemCommandHandler'                              => array(
+				'EventEspresso\core\domain\services\ticket\CreateTicketLineItemService' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\commands\ticket\CancelTicketLineItemCommandHandler'                              => array(
+				'EventEspresso\core\domain\services\ticket\CancelTicketLineItemService' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\registration\CancelRegistrationService'                                   => array(
+				'EventEspresso\core\domain\services\ticket\CancelTicketLineItemService' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\commands\attendee\CreateAttendeeCommandHandler'                                  => array(
+				'EEM_Attendee' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\database\TableManager'                                                           => array(
+				'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_Data_Migration_Class_Base'                                                                                => array(
+				'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_DMS_Core_4_1_0'                                                                                           => array(
+				'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_DMS_Core_4_2_0'                                                                                           => array(
+				'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_DMS_Core_4_3_0'                                                                                           => array(
+				'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_DMS_Core_4_4_0'                                                                                           => array(
+				'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_DMS_Core_4_5_0'                                                                                           => array(
+				'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_DMS_Core_4_6_0'                                                                                           => array(
+				'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_DMS_Core_4_7_0'                                                                                           => array(
+				'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_DMS_Core_4_8_0'                                                                                           => array(
+				'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_DMS_Core_4_9_0' => array(
+				'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_DMS_Core_4_10_0' => array(
+				'EventEspresso\core\services\database\TableAnalysis' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\database\TableManager'  => EE_Dependency_Map::load_from_cache,
+				'EE_DMS_Core_4_9_0'                                  => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\assets\I18nRegistry'                                                             => array(
+				array(),
+				'EventEspresso\core\domain\Domain' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\assets\Registry'                                                                 => array(
+				'EventEspresso\core\services\assets\AssetCollection' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\assets\I18nRegistry'    => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\entities\shortcodes\EspressoCancelled'                                             => array(
+				'EventEspresso\core\services\cache\PostRelatedCacheManager' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\entities\shortcodes\EspressoCheckout'                                              => array(
+				'EventEspresso\core\services\cache\PostRelatedCacheManager' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\entities\shortcodes\EspressoEventAttendees'                                        => array(
+				'EventEspresso\core\services\cache\PostRelatedCacheManager' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\entities\shortcodes\EspressoEvents'                                                => array(
+				'EventEspresso\core\services\cache\PostRelatedCacheManager' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\entities\shortcodes\EspressoThankYou'                                              => array(
+				'EventEspresso\core\services\cache\PostRelatedCacheManager' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\entities\shortcodes\EspressoTicketSelector'                                        => array(
+				'EventEspresso\core\services\cache\PostRelatedCacheManager' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\entities\shortcodes\EspressoTxnPage'                                               => array(
+				'EventEspresso\core\services\cache\PostRelatedCacheManager' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\cache\BasicCacheManager'                                                         => array(
+				'EventEspresso\core\services\cache\TransientCacheStorage' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\cache\PostRelatedCacheManager'                                                   => array(
+				'EventEspresso\core\services\cache\TransientCacheStorage' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\validation\email\EmailValidationService'                                  => array(
+				'EE_Registration_Config'                     => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\loaders\Loader' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\values\EmailAddress'                                                               => array(
+				null,
+				'EventEspresso\core\domain\services\validation\email\EmailValidationService' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\orm\ModelFieldFactory'                                                           => array(
+				'EventEspresso\core\services\loaders\Loader' => EE_Dependency_Map::load_from_cache,
+			),
+			'LEGACY_MODELS'                                                                                               => array(
+				null,
+				'EventEspresso\core\services\database\ModelFieldFactory' => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_Module_Request_Router'                                                                                    => array(
+				'EE_Request' => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_Registration_Processor'                                                                                   => array(
+				'EE_Request' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\notifications\PersistentAdminNoticeManager'                                      => array(
+				null,
+				'EventEspresso\core\domain\services\capabilities\CapabilitiesChecker' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\request\Request'                         => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\licensing\LicenseService'                                                        => array(
+				'EventEspresso\core\domain\services\pue\Stats'  => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\domain\services\pue\Config' => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_Admin_Transactions_List_Table'                                                                            => array(
+				null,
+				'EventEspresso\core\domain\values\session\SessionLifespan' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\pue\Stats'                                                                => array(
+				'EventEspresso\core\domain\services\pue\Config'        => EE_Dependency_Map::load_from_cache,
+				'EE_Maintenance_Mode'                                  => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\domain\services\pue\StatsGatherer' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\pue\Config'                                                               => array(
+				'EE_Network_Config' => EE_Dependency_Map::load_from_cache,
+				'EE_Config'         => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\pue\StatsGatherer'                                                        => array(
+				'EEM_Payment_Method' => EE_Dependency_Map::load_from_cache,
+				'EEM_Event'          => EE_Dependency_Map::load_from_cache,
+				'EEM_Datetime'       => EE_Dependency_Map::load_from_cache,
+				'EEM_Ticket'         => EE_Dependency_Map::load_from_cache,
+				'EEM_Registration'   => EE_Dependency_Map::load_from_cache,
+				'EEM_Transaction'    => EE_Dependency_Map::load_from_cache,
+				'EE_Config'          => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\admin\ExitModal'                                                          => array(
+				'EventEspresso\core\services\assets\Registry' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\admin\PluginUpsells'                                                      => array(
+				'EventEspresso\core\domain\Domain' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\caffeinated\modules\recaptcha_invisible\InvisibleRecaptcha'                                    => array(
+				'EE_Registration_Config' => EE_Dependency_Map::load_from_cache,
+				'EE_Session'             => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\caffeinated\modules\recaptcha_invisible\RecaptchaAdminSettings'                                => array(
+				'EE_Registration_Config' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\modules\ticket_selector\ProcessTicketSelector'                                                 => array(
+				'EE_Core_Config'                                                          => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\request\Request'                             => EE_Dependency_Map::load_from_cache,
+				'EE_Session'                                                              => EE_Dependency_Map::load_from_cache,
+				'EEM_Ticket'                                                              => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\modules\ticket_selector\TicketDatetimeAvailabilityTracker' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\modules\ticket_selector\TicketDatetimeAvailabilityTracker'                                     => array(
+				'EEM_Datetime' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\entities\custom_post_types\CustomPostTypeDefinitions'                              => array(
+				'EE_Core_Config'                             => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\loaders\Loader' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\custom_post_types\RegisterCustomPostTypes'                                => array(
+				'EventEspresso\core\domain\entities\custom_post_types\CustomPostTypeDefinitions' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\custom_post_types\RegisterCustomTaxonomies'                               => array(
+				'EventEspresso\core\domain\entities\custom_post_types\CustomTaxonomyDefinitions' => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_CPT_Strategy'                                                                                             => array(
+				'EventEspresso\core\domain\entities\custom_post_types\CustomPostTypeDefinitions' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\domain\entities\custom_post_types\CustomTaxonomyDefinitions' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\loaders\ObjectIdentifier'                                                        => array(
+				'EventEspresso\core\services\loaders\ClassInterfaceCache' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\assets\CoreAssetManager'                                                  => array(
+				'EventEspresso\core\services\assets\AssetCollection' => EE_Dependency_Map::load_from_cache,
+				'EE_Currency_Config'                                 => EE_Dependency_Map::load_from_cache,
+				'EE_Template_Config'                                 => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\domain\Domain'                   => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\assets\Registry'        => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\admin\privacy\policy\PrivacyPolicy' => array(
+				'EEM_Payment_Method' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\domain\values\session\SessionLifespan' => EE_Dependency_Map::load_from_cache
+			),
+			'EventEspresso\core\domain\services\admin\privacy\export\ExportAttendee' => array(
+				'EEM_Attendee' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\admin\privacy\export\ExportAttendeeBillingData' => array(
+				'EEM_Attendee' => EE_Dependency_Map::load_from_cache,
+				'EEM_Payment_Method' => EE_Dependency_Map::load_from_cache
+			),
+			'EventEspresso\core\domain\services\admin\privacy\export\ExportCheckins' => array(
+				'EEM_Checkin' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\admin\privacy\export\ExportRegistration' => array(
+				'EEM_Registration' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\admin\privacy\export\ExportTransaction' => array(
+				'EEM_Transaction' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\admin\privacy\erasure\EraseAttendeeData' => array(
+				'EEM_Attendee' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\admin\privacy\erasure\EraseAnswers' => array(
+				'EEM_Answer' => EE_Dependency_Map::load_from_cache,
+				'EEM_Question' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\CPTs\CptQueryModifier' => array(
+				null,
+				null,
+				null,
+				'EE_Request_Handler'                          => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\request\Request' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\loaders\Loader'  => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\admin\privacy\forms\PrivacySettingsFormHandler' => array(
+				'EE_Registry' => EE_Dependency_Map::load_from_cache,
+				'EE_Config' => EE_Dependency_Map::load_from_cache
+			),
+			'EventEspresso\core\services\editor\BlockRegistrationManager'                                                 => array(
+				'EventEspresso\core\services\assets\BlockAssetManagerCollection' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\domain\entities\editor\BlockCollection'      => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\route_match\RouteMatchSpecificationManager' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\request\Request'                    => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\entities\editor\CoreBlocksAssetManager' => array(
+				'EventEspresso\core\domain\Domain'                   => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\assets\AssetCollection' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\assets\Registry'        => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\blocks\EventAttendeesBlockRenderer' => array(
+				'EventEspresso\core\domain\Domain' => EE_Dependency_Map::load_from_cache,
+				'EEM_Attendee' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\entities\editor\blocks\EventAttendees' => array(
+				'EventEspresso\core\domain\entities\editor\CoreBlocksAssetManager' => self::load_from_cache,
+				'EventEspresso\core\services\request\Request' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\domain\services\blocks\EventAttendeesBlockRenderer' => self::load_from_cache,
+			),
+			'EventEspresso\core\services\route_match\RouteMatchSpecificationDependencyResolver' => array(
+				'EventEspresso\core\services\container\Mirror' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\loaders\ClassInterfaceCache' => EE_Dependency_Map::load_from_cache,
+				'EE_Dependency_Map' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\route_match\RouteMatchSpecificationFactory' => array(
+				'EventEspresso\core\services\route_match\RouteMatchSpecificationDependencyResolver' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\loaders\Loader' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\route_match\RouteMatchSpecificationManager' => array(
+				'EventEspresso\core\services\route_match\RouteMatchSpecificationCollection' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\route_match\RouteMatchSpecificationFactory' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\libraries\rest_api\CalculatedModelFields' => array(
+				'EventEspresso\core\libraries\rest_api\calculations\CalculatedModelFieldsFactory' => EE_Dependency_Map::load_from_cache
+			),
+			'EventEspresso\core\libraries\rest_api\calculations\CalculatedModelFieldsFactory' => array(
+				'EventEspresso\core\services\loaders\Loader'  => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\libraries\rest_api\controllers\model\Read' => array(
+				'EventEspresso\core\libraries\rest_api\CalculatedModelFields' => EE_Dependency_Map::load_from_cache
+			),
+			'EventEspresso\core\libraries\rest_api\calculations\Datetime' => array(
+				'EEM_Datetime' => EE_Dependency_Map::load_from_cache,
+				'EEM_Registration' => EE_Dependency_Map::load_from_cache
+			),
+			'EventEspresso\core\libraries\rest_api\calculations\Event' => array(
+				'EEM_Event' => EE_Dependency_Map::load_from_cache,
+				'EEM_Registration' => EE_Dependency_Map::load_from_cache
+			),
+			'EventEspresso\core\libraries\rest_api\calculations\Registration' => array(
+				'EEM_Registration' => EE_Dependency_Map::load_from_cache
+			),
+			'EventEspresso\core\services\session\SessionStartHandler' => array(
+				'EventEspresso\core\services\request\Request' => EE_Dependency_Map::load_from_cache,
+			),
+			'EE_URL_Validation_Strategy' => array(
+				null,
+				null,
+				'EventEspresso\core\services\validators\URLValidator' => EE_Dependency_Map::load_from_cache
+			),
+			'EventEspresso\admin_pages\general_settings\OrganizationSettings' => array(
+				'EE_Registry'                                             => EE_Dependency_Map::load_from_cache,
+				'EE_Organization_Config'                                  => EE_Dependency_Map::load_from_cache,
+				'EE_Core_Config'                                          => EE_Dependency_Map::load_from_cache,
+				'EE_Network_Core_Config'                                  => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\address\CountrySubRegionDao' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\address\CountrySubRegionDao' => array(
+				'EEM_State'                                            => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\validators\JsonValidator' => EE_Dependency_Map::load_from_cache
+			),
+			'EventEspresso\core\domain\services\admin\ajax\WordpressHeartbeat' => array(
+				'EventEspresso\core\services\loaders\Loader'  => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\request\Request' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\domain\services\admin\ajax\EventEditorHeartbeat' => array(
+				'EventEspresso\core\domain\Domain' => EE_Dependency_Map::load_from_cache,
+				'EE_Environment_Config'            => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspresso\core\services\request\files\FilesDataHandler' => array(
+				'EventEspresso\core\services\request\Request' => EE_Dependency_Map::load_from_cache,
+			),
+			'EventEspressoBatchRequest\BatchRequestProcessor'                              => [
+				'EventEspresso\core\services\loaders\Loader'  => EE_Dependency_Map::load_from_cache,
+			],
+			'EventEspresso\core\domain\services\admin\registrations\list_table\QueryBuilder' => [
+				null,
+				'EventEspresso\core\services\request\Request' => EE_Dependency_Map::load_from_cache,
+				'EEM_Registration'  => EE_Dependency_Map::load_from_cache,
+			],
+			'EventEspresso\core\domain\services\admin\registrations\list_table\page_header\AttendeeFilterHeader' => [
+				'EventEspresso\core\services\request\Request' => EE_Dependency_Map::load_from_cache,
+				'EEM_Attendee'  => EE_Dependency_Map::load_from_cache,
+			],
+			'EventEspresso\core\domain\services\admin\registrations\list_table\page_header\DateFilterHeader' => [
+				'EventEspresso\core\services\request\Request' => EE_Dependency_Map::load_from_cache,
+				'EEM_Datetime'  => EE_Dependency_Map::load_from_cache,
+			],
+			'EventEspresso\core\domain\services\admin\registrations\list_table\page_header\EventFilterHeader' => [
+				'EventEspresso\core\services\request\Request' => EE_Dependency_Map::load_from_cache,
+				'EEM_Event'  => EE_Dependency_Map::load_from_cache,
+			],
+			'EventEspresso\core\domain\services\admin\registrations\list_table\page_header\TicketFilterHeader' => [
+				'EventEspresso\core\services\request\Request' => EE_Dependency_Map::load_from_cache,
+				'EEM_Ticket'  => EE_Dependency_Map::load_from_cache,
+			],
+			'EventEspresso\core\domain\services\converters\RestApiSpoofer' => [
+				'WP_REST_Server' => EE_Dependency_Map::load_from_cache,
+				'EED_Core_Rest_Api' => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\libraries\rest_api\controllers\model\Read' => EE_Dependency_Map::load_from_cache,
+				null
+			],
+			'EventEspresso\core\domain\services\admin\events\default_settings\AdvancedEditorAdminFormSection'  => [
+				'EE_Admin_Config' => EE_Dependency_Map::load_from_cache
+			],
+			'EventEspresso\core\domain\services\admin\events\editor\AdvancedEditorData'  => [
+				'EE_Event'        => EE_Dependency_Map::not_registered,
+				'EE_Admin_Config' => EE_Dependency_Map::load_from_cache,
+				'EEM_Datetime'    => EE_Dependency_Map::load_from_cache,
+				'EEM_Price'       => EE_Dependency_Map::load_from_cache,
+				'EEM_Ticket'      => EE_Dependency_Map::load_from_cache,
+			],
+			'EventEspresso\core\services\graphql\GraphQLManager' => [
+				'EventEspresso\core\services\graphql\TypesManager'  => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\graphql\InputsManager'  => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\graphql\EnumsManager'  => EE_Dependency_Map::load_from_cache,
+				'EventEspresso\core\services\graphql\ConnectionsManager'  => EE_Dependency_Map::load_from_cache,
+			],
+			'EventEspresso\core\services\graphql\TypesManager' => [
+				'EventEspresso\core\services\graphql\types\TypeCollection' => EE_Dependency_Map::load_from_cache,
+			],
+			'EventEspresso\core\services\graphql\InputsManager' => [
+				'EventEspresso\core\services\graphql\inputs\InputCollection' => EE_Dependency_Map::load_from_cache,
+			],
+			'EventEspresso\core\services\graphql\EnumsManager' => [
+				'EventEspresso\core\services\graphql\enums\EnumCollection' => EE_Dependency_Map::load_from_cache,
+			],
+			'EventEspresso\core\services\graphql\ConnectionsManager' => [
+				'EventEspresso\core\services\graphql\connections\ConnectionCollection' => EE_Dependency_Map::load_from_cache,
+			],
+			'EventEspresso\core\domain\services\graphql\types\Datetime' => [
+				'EEM_Datetime' => EE_Dependency_Map::load_from_cache,
+			],
+			'EventEspresso\core\domain\services\graphql\types\Event' => [
+				'EEM_Event' => EE_Dependency_Map::load_from_cache,
+			],
+			'EventEspresso\core\domain\services\graphql\types\Ticket' => [
+				'EEM_Ticket' => EE_Dependency_Map::load_from_cache,
+			],
+			'EventEspresso\core\domain\services\graphql\types\Price' => [
+				'EEM_Price' => EE_Dependency_Map::load_from_cache,
+			],
+			'EventEspresso\core\domain\services\graphql\types\PriceType' => [
+				'EEM_Price_Type' => EE_Dependency_Map::load_from_cache,
+			],
+			'EventEspresso\core\domain\services\graphql\types\Venue' => [
+				'EEM_Venue' => EE_Dependency_Map::load_from_cache,
+			],
+			'EventEspresso\core\domain\services\graphql\types\State' => [
+				'EEM_State' => EE_Dependency_Map::load_from_cache,
+			],
+			'EventEspresso\core\domain\services\graphql\types\Country' => [
+				'EEM_Country' => EE_Dependency_Map::load_from_cache,
+			],
+			'EventEspresso\core\domain\services\graphql\connections\EventDatetimesConnection' => [
+				'EEM_Datetime' => EE_Dependency_Map::load_from_cache,
+			],
+			'EventEspresso\core\domain\services\graphql\connections\RootQueryDatetimesConnection' => [
+				'EEM_Datetime' => EE_Dependency_Map::load_from_cache,
+			],
+			'EventEspresso\core\domain\services\graphql\connections\DatetimeTicketsConnection' => [
+				'EEM_Ticket' => EE_Dependency_Map::load_from_cache,
+			],
+			'EventEspresso\core\domain\services\graphql\connections\RootQueryTicketsConnection' => [
+				'EEM_Ticket' => EE_Dependency_Map::load_from_cache,
+			],
+			'EventEspresso\core\domain\services\graphql\connections\TicketPricesConnection' => [
+				'EEM_Price' => EE_Dependency_Map::load_from_cache,
+			],
+			'EventEspresso\core\domain\services\graphql\connections\RootQueryPricesConnection' => [
+				'EEM_Price' => EE_Dependency_Map::load_from_cache,
+			],
+			'EventEspresso\core\domain\services\graphql\connections\RootQueryPriceTypesConnection' => [
+				'EEM_Price_Type' => EE_Dependency_Map::load_from_cache,
+			],
+			'EventEspresso\core\domain\services\graphql\connections\TicketDatetimesConnection' => [
+				'EEM_Datetime' => EE_Dependency_Map::load_from_cache,
+			],
+			'EventEspresso\core\domain\services\graphql\connections\EventVenuesConnection' => [
+				'EEM_Venue' => EE_Dependency_Map::load_from_cache,
+			],
+		);
+	}
+
+
+	/**
+	 * Registers how core classes are loaded.
+	 * This can either be done by simply providing the name of one of the EE_Registry loader methods such as:
+	 *        'EE_Request_Handler' => 'load_core'
+	 *        'EE_Messages_Queue'  => 'load_lib'
+	 *        'EEH_Debug_Tools'    => 'load_helper'
+	 * or, if greater control is required, by providing a custom closure. For example:
+	 *        'Some_Class' => function () {
+	 *            return new Some_Class();
+	 *        },
+	 * This is required for instantiating dependencies
+	 * where an interface has been type hinted in a class constructor. For example:
+	 *        'Required_Interface' => function () {
+	 *            return new A_Class_That_Implements_Required_Interface();
+	 *        },
+	 */
+	protected function _register_core_class_loaders()
+	{
+		$this->_class_loaders = array(
+			// load_core
+			'EE_Dependency_Map'                            => function () {
+				return $this;
+			},
+			'EE_Capabilities'                              => 'load_core',
+			'EE_Encryption'                                => 'load_core',
+			'EE_Front_Controller'                          => 'load_core',
+			'EE_Module_Request_Router'                     => 'load_core',
+			'EE_Registry'                                  => 'load_core',
+			'EE_Request'                                   => function () {
+				return $this->legacy_request;
+			},
+			'EventEspresso\core\services\request\Request'  => function () {
+				return $this->request;
+			},
+			'EventEspresso\core\services\request\Response' => function () {
+				return $this->response;
+			},
+			'EE_Base'                                      => 'load_core',
+			'EE_Request_Handler'                           => 'load_core',
+			'EE_Session'                                   => 'load_core',
+			'EE_Cron_Tasks'                                => 'load_core',
+			'EE_System'                                    => 'load_core',
+			'EE_Maintenance_Mode'                          => 'load_core',
+			'EE_Register_CPTs'                             => 'load_core',
+			'EE_Admin'                                     => 'load_core',
+			'EE_CPT_Strategy'                              => 'load_core',
+			// load_class
+			'EE_Registration_Processor'                    => 'load_class',
+			// load_lib
+			'EE_Message_Resource_Manager'                  => 'load_lib',
+			'EE_Message_Type_Collection'                   => 'load_lib',
+			'EE_Message_Type_Collection_Loader'            => 'load_lib',
+			'EE_Messenger_Collection'                      => 'load_lib',
+			'EE_Messenger_Collection_Loader'               => 'load_lib',
+			'EE_Messages_Processor'                        => 'load_lib',
+			'EE_Message_Repository'                        => 'load_lib',
+			'EE_Messages_Queue'                            => 'load_lib',
+			'EE_Messages_Data_Handler_Collection'          => 'load_lib',
+			'EE_Message_Template_Group_Collection'         => 'load_lib',
+			'EE_Payment_Method_Manager'                    => 'load_lib',
+			'EE_DMS_Core_4_1_0'                            => 'load_dms',
+			'EE_DMS_Core_4_2_0'                            => 'load_dms',
+			'EE_DMS_Core_4_3_0'                            => 'load_dms',
+			'EE_DMS_Core_4_5_0'                            => 'load_dms',
+			'EE_DMS_Core_4_6_0'                            => 'load_dms',
+			'EE_DMS_Core_4_7_0'                            => 'load_dms',
+			'EE_DMS_Core_4_8_0'                            => 'load_dms',
+			'EE_DMS_Core_4_9_0'                            => 'load_dms',
+			'EE_DMS_Core_4_10_0'                            => 'load_dms',
+			'EE_Messages_Generator'                        => static function () {
+				return EE_Registry::instance()->load_lib(
+					'Messages_Generator',
+					array(),
+					false,
+					false
+				);
+			},
+			'EE_Messages_Template_Defaults'                => static function ($arguments = array()) {
+				return EE_Registry::instance()->load_lib(
+					'Messages_Template_Defaults',
+					$arguments,
+					false,
+					false
+				);
+			},
+			// load_helper
+			'EEH_Parse_Shortcodes'                         => static function () {
+				if (EE_Registry::instance()->load_helper('Parse_Shortcodes')) {
+					return new EEH_Parse_Shortcodes();
+				}
+				return null;
+			},
+			'EE_Template_Config'                           => static function () {
+				return EE_Config::instance()->template_settings;
+			},
+			'EE_Currency_Config'                           => static function () {
+				return EE_Config::instance()->currency;
+			},
+			'EE_Registration_Config'                       => static function () {
+				return EE_Config::instance()->registration;
+			},
+			'EE_Core_Config'                               => static function () {
+				return EE_Config::instance()->core;
+			},
+			'EventEspresso\core\services\loaders\Loader'   => static function () {
+				return LoaderFactory::getLoader();
+			},
+			'EE_Network_Config'                            => static function () {
+				return EE_Network_Config::instance();
+			},
+			'EE_Config'                                    => static function () {
+				return EE_Config::instance();
+			},
+			'EventEspresso\core\domain\Domain'             => static function () {
+				return DomainFactory::getEventEspressoCoreDomain();
+			},
+			'EE_Admin_Config'                              => static function () {
+				return EE_Config::instance()->admin;
+			},
+			'EE_Organization_Config'                       => static function () {
+				return EE_Config::instance()->organization;
+			},
+			'EE_Network_Core_Config'                       => static function () {
+				return EE_Network_Config::instance()->core;
+			},
+			'EE_Environment_Config'                        => static function () {
+				return EE_Config::instance()->environment;
+			},
+			'EED_Core_Rest_Api'                            => static function () {
+				return EED_Core_Rest_Api::instance();
+			},
+			'WP_REST_Server'                            => static function () {
+				return rest_get_server();
+			},
+		);
+	}
+
+
+	/**
+	 * can be used for supplying alternate names for classes,
+	 * or for connecting interface names to instantiable classes
+	 *
+	 * @throws InvalidAliasException
+	 */
+	protected function _register_core_aliases()
+	{
+		$aliases = array(
+			'CommandBusInterface'                                                          => 'EventEspresso\core\services\commands\CommandBusInterface',
+			'EventEspresso\core\services\commands\CommandBusInterface'                     => 'EventEspresso\core\services\commands\CommandBus',
+			'CommandHandlerManagerInterface'                                               => 'EventEspresso\core\services\commands\CommandHandlerManagerInterface',
+			'EventEspresso\core\services\commands\CommandHandlerManagerInterface'          => 'EventEspresso\core\services\commands\CommandHandlerManager',
+			'CapChecker'                                                                   => 'EventEspresso\core\services\commands\middleware\CapChecker',
+			'AddActionHook'                                                                => 'EventEspresso\core\services\commands\middleware\AddActionHook',
+			'CapabilitiesChecker'                                                          => 'EventEspresso\core\domain\services\capabilities\CapabilitiesChecker',
+			'CapabilitiesCheckerInterface'                                                 => 'EventEspresso\core\domain\services\capabilities\CapabilitiesCheckerInterface',
+			'EventEspresso\core\domain\services\capabilities\CapabilitiesCheckerInterface' => 'EventEspresso\core\domain\services\capabilities\CapabilitiesChecker',
+			'CreateRegistrationService'                                                    => 'EventEspresso\core\domain\services\registration\CreateRegistrationService',
+			'CreateRegistrationCommandHandler'                                             => 'EventEspresso\core\services\commands\registration\CreateRegistrationCommand',
+			'CopyRegistrationDetailsCommandHandler'                                        => 'EventEspresso\core\services\commands\registration\CopyRegistrationDetailsCommand',
+			'CopyRegistrationPaymentsCommandHandler'                                       => 'EventEspresso\core\services\commands\registration\CopyRegistrationPaymentsCommand',
+			'CancelRegistrationAndTicketLineItemCommandHandler'                            => 'EventEspresso\core\services\commands\registration\CancelRegistrationAndTicketLineItemCommandHandler',
+			'UpdateRegistrationAndTransactionAfterChangeCommandHandler'                    => 'EventEspresso\core\services\commands\registration\UpdateRegistrationAndTransactionAfterChangeCommandHandler',
+			'CreateTicketLineItemCommandHandler'                                           => 'EventEspresso\core\services\commands\ticket\CreateTicketLineItemCommand',
+			'CreateTransactionCommandHandler'                                              => 'EventEspresso\core\services\commands\transaction\CreateTransactionCommandHandler',
+			'CreateAttendeeCommandHandler'                                                 => 'EventEspresso\core\services\commands\attendee\CreateAttendeeCommandHandler',
+			'TableManager'                                                                 => 'EventEspresso\core\services\database\TableManager',
+			'TableAnalysis'                                                                => 'EventEspresso\core\services\database\TableAnalysis',
+			'EspressoShortcode'                                                            => 'EventEspresso\core\services\shortcodes\EspressoShortcode',
+			'ShortcodeInterface'                                                           => 'EventEspresso\core\services\shortcodes\ShortcodeInterface',
+			'EventEspresso\core\services\shortcodes\ShortcodeInterface'                    => 'EventEspresso\core\services\shortcodes\EspressoShortcode',
+			'EventEspresso\core\services\cache\CacheStorageInterface'                      => 'EventEspresso\core\services\cache\TransientCacheStorage',
+			'LoaderInterface'                                                              => 'EventEspresso\core\services\loaders\LoaderInterface',
+			'EventEspresso\core\services\loaders\LoaderInterface'                          => 'EventEspresso\core\services\loaders\Loader',
+			'CommandFactoryInterface'                                                      => 'EventEspresso\core\services\commands\CommandFactoryInterface',
+			'EventEspresso\core\services\commands\CommandFactoryInterface'                 => 'EventEspresso\core\services\commands\CommandFactory',
+			'EmailValidatorInterface'                                                      => 'EventEspresso\core\domain\services\validation\email\EmailValidatorInterface',
+			'EventEspresso\core\domain\services\validation\email\EmailValidatorInterface'  => 'EventEspresso\core\domain\services\validation\email\EmailValidationService',
+			'NoticeConverterInterface'                                                     => 'EventEspresso\core\services\notices\NoticeConverterInterface',
+			'EventEspresso\core\services\notices\NoticeConverterInterface'                 => 'EventEspresso\core\services\notices\ConvertNoticesToEeErrors',
+			'NoticesContainerInterface'                                                    => 'EventEspresso\core\services\notices\NoticesContainerInterface',
+			'EventEspresso\core\services\notices\NoticesContainerInterface'                => 'EventEspresso\core\services\notices\NoticesContainer',
+			'EventEspresso\core\services\request\RequestInterface'                         => 'EventEspresso\core\services\request\Request',
+			'EventEspresso\core\services\request\ResponseInterface'                        => 'EventEspresso\core\services\request\Response',
+			'EventEspresso\core\domain\DomainInterface'                                    => 'EventEspresso\core\domain\Domain',
+			'Registration_Processor'                                                       => 'EE_Registration_Processor',
+		);
+		foreach ($aliases as $alias => $fqn) {
+			if (is_array($fqn)) {
+				foreach ($fqn as $class => $for_class) {
+					$this->class_cache->addAlias($class, $alias, $for_class);
+				}
+				continue;
+			}
+			$this->class_cache->addAlias($fqn, $alias);
+		}
+		if (! (defined('DOING_AJAX') && DOING_AJAX) && is_admin()) {
+			$this->class_cache->addAlias(
+				'EventEspresso\core\services\notices\ConvertNoticesToAdminNotices',
+				'EventEspresso\core\services\notices\NoticeConverterInterface'
+			);
+		}
+	}
+
+
+	/**
+	 * This is used to reset the internal map and class_loaders to their original default state at the beginning of the
+	 * request Primarily used by unit tests.
+	 */
+	public function reset()
+	{
+		$this->_register_core_class_loaders();
+		$this->_register_core_dependencies();
+	}
+
+
+	/**
+	 * PLZ NOTE: a better name for this method would be is_alias()
+	 * because it returns TRUE if the provided fully qualified name IS an alias
+	 * WHY?
+	 * Because if a class is type hinting for a concretion,
+	 * then why would we need to find another class to supply it?
+	 * ie: if a class asks for `Fully/Qualified/Namespace/SpecificClassName`,
+	 * then give it an instance of `Fully/Qualified/Namespace/SpecificClassName`.
+	 * Don't go looking for some substitute.
+	 * Whereas if a class is type hinting for an interface...
+	 * then we need to find an actual class to use.
+	 * So the interface IS the alias for some other FQN,
+	 * and we need to find out if `Fully/Qualified/Namespace/SomeInterface`
+	 * represents some other class.
+	 *
+	 * @deprecated 4.9.62.p
+	 * @param string $fqn
+	 * @param string $for_class
+	 * @return bool
+	 */
+	public function has_alias($fqn = '', $for_class = '')
+	{
+		return $this->isAlias($fqn, $for_class);
+	}
+
+
+	/**
+	 * PLZ NOTE: a better name for this method would be get_fqn_for_alias()
+	 * because it returns a FQN for provided alias if one exists, otherwise returns the original $alias
+	 * functions recursively, so that multiple aliases can be used to drill down to a FQN
+	 *  for example:
+	 *      if the following two entries were added to the _aliases array:
+	 *          array(
+	 *              'interface_alias'           => 'some\namespace\interface'
+	 *              'some\namespace\interface'  => 'some\namespace\classname'
+	 *          )
+	 *      then one could use EE_Registry::instance()->create( 'interface_alias' )
+	 *      to load an instance of 'some\namespace\classname'
+	 *
+	 * @deprecated 4.9.62.p
+	 * @param string $alias
+	 * @param string $for_class
+	 * @return string
+	 */
+	public function get_alias($alias = '', $for_class = '')
+	{
+		return $this->getFqnForAlias($alias, $for_class);
+	}
 }