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                <?php declare(strict_types=1);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace OpenStack\Metric\v1\Gnocchi\Models;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OpenStack\Common\Resource\OperatorResource;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OpenStack\Common\Resource\Retrievable;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OpenStack\Metric\v1\Gnocchi\Api;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @property Api $api  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class Resource extends OperatorResource implements Retrievable  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    const RESOURCE_TYPE_GENERIC = 'generic';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    const RESOURCE_TYPE_CEPH_ACCOUNT = 'ceph_account';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    const RESOURCE_TYPE_HOST = 'host';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    const RESOURCE_TYPE_HOST_DISK = 'host_disk';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    const RESOURCE_TYPE_HOST_NETWORK_INTERFACE = 'host_network_interface';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    const RESOURCE_TYPE_IDENTITY = 'identity';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    const RESOURCE_TYPE_IMAGE = 'image';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    const RESOURCE_TYPE_INSTANCE = 'instance';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    const RESOURCE_TYPE_INSTANCE_DISK = 'instance_disk';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    const RESOURCE_TYPE_INSTANCE_NETWORK_INTERFACE = 'instance_network_interface';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    const RESOURCE_TYPE_IPMI = 'ipmi';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    const RESOURCE_TYPE_NETWORK = 'network';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    const RESOURCE_TYPE_STACK = 'stack';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    const RESOURCE_TYPE_SWIFT_ACCOUNT = 'swift_account';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    const RESOURCE_TYPE_VOLUME = 'volume';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /** @var string */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public $createdByUserId;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /** @var string */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public $startedAt;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /** @var string */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public $displayName;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /** @var string */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public $revisionEnd;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /** @var string */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public $userId;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /** @var string */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public $createdByProjectId;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /** @var string */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public $id;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /** @var array */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public $metrics;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /** @var string */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public $host;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /** @var string */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public $imageRef;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /** @var string */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public $flavorId;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /** @var string */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public $serverGroup;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /** @var string */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public $originalResourceId;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /** @var string */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public $revisionStart;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /** @var string */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public $projectId;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /** @var string */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public $type;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /** @var string */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public $endedAt;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected $aliases = [  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        'created_by_user_id'    => 'createdByUserId',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        'started_at'            => 'startedAt',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        'display_name'          => 'displayName',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        'revision_end'          => 'revisionEnd',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        'user_id'               => 'userId',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        'created_by_project_id' => 'createdByProjectId',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        'image_ref'             => 'imageRef',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        'flavor_id'             => 'flavorId',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        'server_group'          => 'serverGroup',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        'original_resource_id'  => 'originalResourceId',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        'revision_start'        => 'revisionStart',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        'project_id'            => 'projectId',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        'ended_at'              => 'endedAt',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    ];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function retrieve()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $response = $this->execute($this->api->getResource(), ['type' => $this->type, 'id' => $this->id]);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->populateFromResponse($response);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $metric  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return Metric  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function getMetric(string $metric): Metric  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $response = $this->execute(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $this->api->getResourceMetric(),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            [  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'resourceId' => $this->id,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'metric'     => $metric,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'type'       => $this->type,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ]  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $metric = $this->model(Metric::class)->populateFromResponse($response);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $metric;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param array $options {@see \OpenStack\Metric\v1\Gnocchi\Api::getResourceMetricMeasures} | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return array  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    public function getMetricMeasures(array $options = []): array  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    { | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $options = array_merge(  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $options,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            [  | 
            
            
                                                                        
                            
            
                                    
            
            
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                                'resourceId' => $this->id,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                                'type'       => $this->type,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            ]  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        );  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    137
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    138
                 | 
                                    
                                                     | 
                
                 | 
                        $response = $this->execute($this->api->getResourceMetricMeasures(), $options);  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    139
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    140
                 | 
                                    
                                                     | 
                
                 | 
                        return \GuzzleHttp\json_decode($response->getBody());  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    141
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    142
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    143
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    144
                 | 
                                    
                                                     | 
                
                 | 
                     * @param array $options {@see \OpenStack\Metric\v1\Gnocchi\Api::getResourceMetrics} | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    145
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    146
                 | 
                                    
                                                     | 
                
                 | 
                     * @return \Generator  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    147
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    148
                 | 
                                    
                                                     | 
                
                 | 
                    public function listResourceMetrics(array $options = []): \Generator  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    149
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    150
                 | 
                                    
                                                     | 
                
                 | 
                        $options['resourceId'] = $this->id;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    151
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    152
                 | 
                                    
                                                     | 
                
                 | 
                        return $this->model(Metric::class)->enumerate($this->api->getResourceMetrics(), $options);  | 
            
                            
                    | 
                        
                     | 
                     | 
                     | 
                    
                                                                                                    
                        
                         
                                                                                        
                                                                                     
                     | 
                
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    153
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    154
                 | 
                                    
                                                     | 
                
                 | 
                }  | 
            
            
                                                        
            
                                    
            
            
                | 
                    155
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                        
Let’s take a look at an example:
In the above example, the authenticate() method works fine as long as you just pass instances of MyUser. However, if you now also want to pass a different implementation of User which does not have a getDisplayName() method, the code will break.
Available Fixes
Change the type-hint for the parameter:
Add an additional type-check:
Add the method to the interface: