wikimedia / mediawiki-extensions-WikibaseQualityConstraints

src/ConstraintCheck/Helper/ConstraintParameterParser.php

Spacing +288 added lines, -288 removed lines

@@ -77,15 +77,15 @@ 
 	 * @param array $parameters
 	 * @throws ConstraintParameterException
 	 */
-	public function checkError( array $parameters ) {
-		if ( array_key_exists( '@error', $parameters ) ) {
+	public function checkError(array $parameters) {
+		if (array_key_exists('@error', $parameters)) {
 			$error = $parameters['@error'];
-			if ( array_key_exists( 'toolong', $error ) && $error['toolong'] ) {
+			if (array_key_exists('toolong', $error) && $error['toolong']) {
 				$msg = 'wbqc-violation-message-parameters-error-toolong';
 			} else {
 				$msg = 'wbqc-violation-message-parameters-error-unknown';
 			}
-			throw new ConstraintParameterException( new ViolationMessage( $msg ) );
+			throw new ConstraintParameterException(new ViolationMessage($msg));
 		}
 	}
 
@@ -95,11 +95,11 @@ 
 	 * @param string $parameterId
 	 * @throws ConstraintParameterException
 	 */
-	private function requireSingleParameter( array $parameters, $parameterId ) {
-		if ( count( $parameters[$parameterId] ) !== 1 ) {
+	private function requireSingleParameter(array $parameters, $parameterId) {
+		if (count($parameters[$parameterId]) !== 1) {
 			throw new ConstraintParameterException(
-				( new ViolationMessage( 'wbqc-violation-message-parameter-single' ) )
-					->withEntityId( new PropertyId( $parameterId ), Role::CONSTRAINT_PARAMETER_PROPERTY )
+				(new ViolationMessage('wbqc-violation-message-parameter-single'))
+					->withEntityId(new PropertyId($parameterId), Role::CONSTRAINT_PARAMETER_PROPERTY)
 			);
 		}
 	}
@@ -111,11 +111,11 @@ 
 	 * @return void
 	 * @throws ConstraintParameterException
 	 */
-	private function requireValueParameter( Snak $snak, $parameterId ) {
-		if ( !( $snak instanceof PropertyValueSnak ) ) {
+	private function requireValueParameter(Snak $snak, $parameterId) {
+		if (!($snak instanceof PropertyValueSnak)) {
 			throw new ConstraintParameterException(
-				( new ViolationMessage( 'wbqc-violation-message-parameter-value' ) )
-					->withEntityId( new PropertyId( $parameterId ), Role::CONSTRAINT_PARAMETER_PROPERTY )
+				(new ViolationMessage('wbqc-violation-message-parameter-value'))
+					->withEntityId(new PropertyId($parameterId), Role::CONSTRAINT_PARAMETER_PROPERTY)
 			);
 		}
 	}
@@ -127,17 +127,17 @@ 
 	 * @throws ConstraintParameterException
 	 * @return EntityId
 	 */
-	private function parseEntityIdParameter( array $snakSerialization, $parameterId ) {
-		$snak = $this->snakDeserializer->deserialize( $snakSerialization );
-		$this->requireValueParameter( $snak, $parameterId );
+	private function parseEntityIdParameter(array $snakSerialization, $parameterId) {
+		$snak = $this->snakDeserializer->deserialize($snakSerialization);
+		$this->requireValueParameter($snak, $parameterId);
 		$value = $snak->getDataValue();
-		if ( $value instanceof EntityIdValue ) {
+		if ($value instanceof EntityIdValue) {
 			return $value->getEntityId();
 		} else {
 			throw new ConstraintParameterException(
-				( new ViolationMessage( 'wbqc-violation-message-parameter-entity' ) )
-					->withEntityId( new PropertyId( $parameterId ), Role::CONSTRAINT_PARAMETER_PROPERTY )
-					->withDataValue( $value, Role::CONSTRAINT_PARAMETER_VALUE )
+				(new ViolationMessage('wbqc-violation-message-parameter-entity'))
+					->withEntityId(new PropertyId($parameterId), Role::CONSTRAINT_PARAMETER_PROPERTY)
+					->withDataValue($value, Role::CONSTRAINT_PARAMETER_VALUE)
 			);
 		}
 	}
@@ -148,20 +148,20 @@ 
 	 * @throws ConstraintParameterException if the parameter is invalid or missing
 	 * @return string[] class entity ID serializations
 	 */
-	public function parseClassParameter( array $constraintParameters, $constraintTypeItemId ) {
-		$this->checkError( $constraintParameters );
-		$classId = $this->config->get( 'WBQualityConstraintsClassId' );
-		if ( !array_key_exists( $classId, $constraintParameters ) ) {
+	public function parseClassParameter(array $constraintParameters, $constraintTypeItemId) {
+		$this->checkError($constraintParameters);
+		$classId = $this->config->get('WBQualityConstraintsClassId');
+		if (!array_key_exists($classId, $constraintParameters)) {
 			throw new ConstraintParameterException(
-				( new ViolationMessage( 'wbqc-violation-message-parameter-needed' ) )
-					->withEntityId( new ItemId( $constraintTypeItemId ), Role::CONSTRAINT_TYPE_ITEM )
-					->withEntityId( new PropertyId( $classId ), Role::CONSTRAINT_PARAMETER_PROPERTY )
+				(new ViolationMessage('wbqc-violation-message-parameter-needed'))
+					->withEntityId(new ItemId($constraintTypeItemId), Role::CONSTRAINT_TYPE_ITEM)
+					->withEntityId(new PropertyId($classId), Role::CONSTRAINT_PARAMETER_PROPERTY)
 			);
 		}
 
 		$classes = [];
-		foreach ( $constraintParameters[$classId] as $class ) {
-			$classes[] = $this->parseEntityIdParameter( $class, $classId )->getSerialization();
+		foreach ($constraintParameters[$classId] as $class) {
+			$classes[] = $this->parseEntityIdParameter($class, $classId)->getSerialization();
 		}
 		return $classes;
 	}
@@ -172,23 +172,23 @@ 
 	 * @throws ConstraintParameterException if the parameter is invalid or missing
 	 * @return string 'instance', 'subclass', or 'instanceOrSubclass'
 	 */
-	public function parseRelationParameter( array $constraintParameters, $constraintTypeItemId ) {
-		$this->checkError( $constraintParameters );
-		$relationId = $this->config->get( 'WBQualityConstraintsRelationId' );
-		if ( !array_key_exists( $relationId, $constraintParameters ) ) {
+	public function parseRelationParameter(array $constraintParameters, $constraintTypeItemId) {
+		$this->checkError($constraintParameters);
+		$relationId = $this->config->get('WBQualityConstraintsRelationId');
+		if (!array_key_exists($relationId, $constraintParameters)) {
 			throw new ConstraintParameterException(
-				( new ViolationMessage( 'wbqc-violation-message-parameter-needed' ) )
-					->withEntityId( new ItemId( $constraintTypeItemId ), Role::CONSTRAINT_TYPE_ITEM )
-					->withEntityId( new PropertyId( $relationId ), Role::CONSTRAINT_PARAMETER_PROPERTY )
+				(new ViolationMessage('wbqc-violation-message-parameter-needed'))
+					->withEntityId(new ItemId($constraintTypeItemId), Role::CONSTRAINT_TYPE_ITEM)
+					->withEntityId(new PropertyId($relationId), Role::CONSTRAINT_PARAMETER_PROPERTY)
 			);
 		}
 
-		$this->requireSingleParameter( $constraintParameters, $relationId );
-		$relationEntityId = $this->parseEntityIdParameter( $constraintParameters[$relationId][0], $relationId );
-		$instanceId = $this->config->get( 'WBQualityConstraintsInstanceOfRelationId' );
-		$subclassId = $this->config->get( 'WBQualityConstraintsSubclassOfRelationId' );
-		$instanceOrSubclassId = $this->config->get( 'WBQualityConstraintsInstanceOrSubclassOfRelationId' );
-		switch ( $relationEntityId->getSerialization() ) {
+		$this->requireSingleParameter($constraintParameters, $relationId);
+		$relationEntityId = $this->parseEntityIdParameter($constraintParameters[$relationId][0], $relationId);
+		$instanceId = $this->config->get('WBQualityConstraintsInstanceOfRelationId');
+		$subclassId = $this->config->get('WBQualityConstraintsSubclassOfRelationId');
+		$instanceOrSubclassId = $this->config->get('WBQualityConstraintsInstanceOrSubclassOfRelationId');
+		switch ($relationEntityId->getSerialization()) {
 			case $instanceId:
 				return 'instance';
 			case $subclassId:
@@ -197,13 +197,13 @@ 
 				return 'instanceOrSubclass';
 			default:
 				throw new ConstraintParameterException(
-					( new ViolationMessage( 'wbqc-violation-message-parameter-oneof' ) )
-						->withEntityId( new PropertyId( $relationId ), Role::CONSTRAINT_PARAMETER_PROPERTY )
+					(new ViolationMessage('wbqc-violation-message-parameter-oneof'))
+						->withEntityId(new PropertyId($relationId), Role::CONSTRAINT_PARAMETER_PROPERTY)
 						->withEntityIdList(
 							[
-								new ItemId( $instanceId ),
-								new ItemId( $subclassId ),
-								new ItemId( $instanceOrSubclassId ),
+								new ItemId($instanceId),
+								new ItemId($subclassId),
+								new ItemId($instanceOrSubclassId),
 							],
 							Role::CONSTRAINT_PARAMETER_VALUE
 						)
@@ -218,20 +218,20 @@ 
 	 * @throws ConstraintParameterException
 	 * @return PropertyId
 	 */
-	private function parsePropertyIdParameter( array $snakSerialization, $parameterId ) {
-		$snak = $this->snakDeserializer->deserialize( $snakSerialization );
-		$this->requireValueParameter( $snak, $parameterId );
+	private function parsePropertyIdParameter(array $snakSerialization, $parameterId) {
+		$snak = $this->snakDeserializer->deserialize($snakSerialization);
+		$this->requireValueParameter($snak, $parameterId);
 		$value = $snak->getDataValue();
-		if ( $value instanceof EntityIdValue ) {
+		if ($value instanceof EntityIdValue) {
 			$id = $value->getEntityId();
-			if ( $id instanceof PropertyId ) {
+			if ($id instanceof PropertyId) {
 				return $id;
 			}
 		}
 		throw new ConstraintParameterException(
-			( new ViolationMessage( 'wbqc-violation-message-parameter-property' ) )
-				->withEntityId( new PropertyId( $parameterId ), Role::CONSTRAINT_PARAMETER_PROPERTY )
-				->withDataValue( $value, Role::CONSTRAINT_PARAMETER_VALUE )
+			(new ViolationMessage('wbqc-violation-message-parameter-property'))
+				->withEntityId(new PropertyId($parameterId), Role::CONSTRAINT_PARAMETER_PROPERTY)
+				->withDataValue($value, Role::CONSTRAINT_PARAMETER_VALUE)
 		);
 	}
 
@@ -242,33 +242,33 @@ 
 	 * @throws ConstraintParameterException if the parameter is invalid or missing
 	 * @return PropertyId
 	 */
-	public function parsePropertyParameter( array $constraintParameters, $constraintTypeItemId ) {
-		$this->checkError( $constraintParameters );
-		$propertyId = $this->config->get( 'WBQualityConstraintsPropertyId' );
-		if ( !array_key_exists( $propertyId, $constraintParameters ) ) {
+	public function parsePropertyParameter(array $constraintParameters, $constraintTypeItemId) {
+		$this->checkError($constraintParameters);
+		$propertyId = $this->config->get('WBQualityConstraintsPropertyId');
+		if (!array_key_exists($propertyId, $constraintParameters)) {
 			throw new ConstraintParameterException(
-				( new ViolationMessage( 'wbqc-violation-message-parameter-needed' ) )
-					->withEntityId( new ItemId( $constraintTypeItemId ), Role::CONSTRAINT_TYPE_ITEM )
-					->withEntityId( new PropertyId( $propertyId ), Role::CONSTRAINT_PARAMETER_PROPERTY )
+				(new ViolationMessage('wbqc-violation-message-parameter-needed'))
+					->withEntityId(new ItemId($constraintTypeItemId), Role::CONSTRAINT_TYPE_ITEM)
+					->withEntityId(new PropertyId($propertyId), Role::CONSTRAINT_PARAMETER_PROPERTY)
 			);
 		}
 
-		$this->requireSingleParameter( $constraintParameters, $propertyId );
-		return $this->parsePropertyIdParameter( $constraintParameters[$propertyId][0], $propertyId );
+		$this->requireSingleParameter($constraintParameters, $propertyId);
+		return $this->parsePropertyIdParameter($constraintParameters[$propertyId][0], $propertyId);
 	}
 
-	private function parseItemIdParameter( PropertyValueSnak $snak, $parameterId ) {
+	private function parseItemIdParameter(PropertyValueSnak $snak, $parameterId) {
 		$dataValue = $snak->getDataValue();
-		if ( $dataValue instanceof EntityIdValue ) {
+		if ($dataValue instanceof EntityIdValue) {
 			$entityId = $dataValue->getEntityId();
-			if ( $entityId instanceof ItemId ) {
-				return ItemIdSnakValue::fromItemId( $entityId );
+			if ($entityId instanceof ItemId) {
+				return ItemIdSnakValue::fromItemId($entityId);
 			}
 		}
 		throw new ConstraintParameterException(
-			( new ViolationMessage( 'wbqc-violation-message-parameter-item' ) )
-				->withEntityId( new PropertyId( $parameterId ), Role::CONSTRAINT_PARAMETER_PROPERTY )
-				->withDataValue( $dataValue, Role::CONSTRAINT_PARAMETER_VALUE )
+			(new ViolationMessage('wbqc-violation-message-parameter-item'))
+				->withEntityId(new PropertyId($parameterId), Role::CONSTRAINT_PARAMETER_PROPERTY)
+				->withDataValue($dataValue, Role::CONSTRAINT_PARAMETER_VALUE)
 		);
 	}
 
@@ -286,16 +286,16 @@ 
 		$required,
 		$parameterId = null
 	) {
-		$this->checkError( $constraintParameters );
-		if ( $parameterId === null ) {
-			$parameterId = $this->config->get( 'WBQualityConstraintsQualifierOfPropertyConstraintId' );
+		$this->checkError($constraintParameters);
+		if ($parameterId === null) {
+			$parameterId = $this->config->get('WBQualityConstraintsQualifierOfPropertyConstraintId');
 		}
-		if ( !array_key_exists( $parameterId, $constraintParameters ) ) {
-			if ( $required ) {
+		if (!array_key_exists($parameterId, $constraintParameters)) {
+			if ($required) {
 				throw new ConstraintParameterException(
-					( new ViolationMessage( 'wbqc-violation-message-parameter-needed' ) )
-						->withEntityId( new ItemId( $constraintTypeItemId ), Role::CONSTRAINT_TYPE_ITEM )
-						->withEntityId( new PropertyId( $parameterId ), Role::CONSTRAINT_PARAMETER_PROPERTY )
+					(new ViolationMessage('wbqc-violation-message-parameter-needed'))
+						->withEntityId(new ItemId($constraintTypeItemId), Role::CONSTRAINT_TYPE_ITEM)
+						->withEntityId(new PropertyId($parameterId), Role::CONSTRAINT_PARAMETER_PROPERTY)
 				);
 			} else {
 				return [];
@@ -303,11 +303,11 @@ 
 		}
 
 		$values = [];
-		foreach ( $constraintParameters[$parameterId] as $parameter ) {
-			$snak = $this->snakDeserializer->deserialize( $parameter );
-			switch ( true ) {
+		foreach ($constraintParameters[$parameterId] as $parameter) {
+			$snak = $this->snakDeserializer->deserialize($parameter);
+			switch (true) {
 				case $snak instanceof PropertyValueSnak:
-					$values[] = $this->parseItemIdParameter( $snak, $parameterId );
+					$values[] = $this->parseItemIdParameter($snak, $parameterId);
 					break;
 				case $snak instanceof PropertySomeValueSnak:
 					$values[] = ItemIdSnakValue::someValue();
@@ -326,27 +326,27 @@ 
 	 * @throws ConstraintParameterException if the parameter is invalid or missing
 	 * @return PropertyId[]
 	 */
-	public function parsePropertiesParameter( array $constraintParameters, $constraintTypeItemId ) {
-		$this->checkError( $constraintParameters );
-		$propertyId = $this->config->get( 'WBQualityConstraintsPropertyId' );
-		if ( !array_key_exists( $propertyId, $constraintParameters ) ) {
+	public function parsePropertiesParameter(array $constraintParameters, $constraintTypeItemId) {
+		$this->checkError($constraintParameters);
+		$propertyId = $this->config->get('WBQualityConstraintsPropertyId');
+		if (!array_key_exists($propertyId, $constraintParameters)) {
 			throw new ConstraintParameterException(
-				( new ViolationMessage( 'wbqc-violation-message-parameter-needed' ) )
-					->withEntityId( new ItemId( $constraintTypeItemId ), Role::CONSTRAINT_TYPE_ITEM )
-					->withEntityId( new PropertyId( $propertyId ), Role::CONSTRAINT_PARAMETER_PROPERTY )
+				(new ViolationMessage('wbqc-violation-message-parameter-needed'))
+					->withEntityId(new ItemId($constraintTypeItemId), Role::CONSTRAINT_TYPE_ITEM)
+					->withEntityId(new PropertyId($propertyId), Role::CONSTRAINT_PARAMETER_PROPERTY)
 			);
 		}
 
 		$parameters = $constraintParameters[$propertyId];
-		if ( count( $parameters ) === 1 &&
-			$this->snakDeserializer->deserialize( $parameters[0] ) instanceof PropertyNoValueSnak
+		if (count($parameters) === 1 &&
+			$this->snakDeserializer->deserialize($parameters[0]) instanceof PropertyNoValueSnak
 		) {
 			return [];
 		}
 
 		$properties = [];
-		foreach ( $parameters as $parameter ) {
-			$properties[] = $this->parsePropertyIdParameter( $parameter, $propertyId );
+		foreach ($parameters as $parameter) {
+			$properties[] = $this->parsePropertyIdParameter($parameter, $propertyId);
 		}
 		return $properties;
 	}
@@ -357,16 +357,16 @@ 
 	 * @throws ConstraintParameterException
 	 * @return DataValue|null
 	 */
-	private function parseValueOrNoValueParameter( array $snakSerialization, $parameterId ) {
-		$snak = $this->snakDeserializer->deserialize( $snakSerialization );
-		if ( $snak instanceof PropertyValueSnak ) {
+	private function parseValueOrNoValueParameter(array $snakSerialization, $parameterId) {
+		$snak = $this->snakDeserializer->deserialize($snakSerialization);
+		if ($snak instanceof PropertyValueSnak) {
 			return $snak->getDataValue();
-		} elseif ( $snak instanceof PropertyNoValueSnak ) {
+		} elseif ($snak instanceof PropertyNoValueSnak) {
 			return null;
 		} else {
 			throw new ConstraintParameterException(
-				( new ViolationMessage( 'wbqc-violation-message-parameter-value-or-novalue' ) )
-					->withEntityId( new PropertyId( $parameterId ), Role::CONSTRAINT_PARAMETER_PROPERTY )
+				(new ViolationMessage('wbqc-violation-message-parameter-value-or-novalue'))
+					->withEntityId(new PropertyId($parameterId), Role::CONSTRAINT_PARAMETER_PROPERTY)
 			);
 		}
 	}
@@ -376,10 +376,10 @@ 
 	 * @param string $parameterId
 	 * @return DataValue|null
 	 */
-	private function parseValueOrNoValueOrNowParameter( array $snakSerialization, $parameterId ) {
+	private function parseValueOrNoValueOrNowParameter(array $snakSerialization, $parameterId) {
 		try {
-			return $this->parseValueOrNoValueParameter( $snakSerialization, $parameterId );
-		} catch ( ConstraintParameterException $e ) {
+			return $this->parseValueOrNoValueParameter($snakSerialization, $parameterId);
+		} catch (ConstraintParameterException $e) {
 			// unknown value means “now”
 			return new NowValue();
 		}
@@ -392,14 +392,14 @@ 
 	 * @param string $unit
 	 * @return bool
 	 */
-	private function exactlyOneQuantityWithUnit( ?DataValue $min, ?DataValue $max, $unit ) {
-		if ( !( $min instanceof UnboundedQuantityValue ) ||
-			!( $max instanceof UnboundedQuantityValue )
+	private function exactlyOneQuantityWithUnit(?DataValue $min, ?DataValue $max, $unit) {
+		if (!($min instanceof UnboundedQuantityValue) ||
+			!($max instanceof UnboundedQuantityValue)
 		) {
 			return false;
 		}
 
-		return ( $min->getUnit() === $unit ) !== ( $max->getUnit() === $unit );
+		return ($min->getUnit() === $unit) !== ($max->getUnit() === $unit);
 	}
 
 	/**
@@ -412,42 +412,42 @@ 
 	 * @throws ConstraintParameterException if the parameter is invalid or missing
 	 * @return DataValue[] if the parameter is invalid or missing
 	 */
-	private function parseRangeParameter( array $constraintParameters, $minimumId, $maximumId, $constraintTypeItemId, $type ) {
-		$this->checkError( $constraintParameters );
-		if ( !array_key_exists( $minimumId, $constraintParameters ) ||
-			!array_key_exists( $maximumId, $constraintParameters )
+	private function parseRangeParameter(array $constraintParameters, $minimumId, $maximumId, $constraintTypeItemId, $type) {
+		$this->checkError($constraintParameters);
+		if (!array_key_exists($minimumId, $constraintParameters) ||
+			!array_key_exists($maximumId, $constraintParameters)
 		) {
 			throw new ConstraintParameterException(
-				( new ViolationMessage( 'wbqc-violation-message-range-parameters-needed' ) )
-					->withDataValueType( $type )
-					->withEntityId( new PropertyId( $minimumId ), Role::CONSTRAINT_PARAMETER_PROPERTY )
-					->withEntityId( new PropertyId( $maximumId ), Role::CONSTRAINT_PARAMETER_PROPERTY )
-					->withEntityId( new ItemId( $constraintTypeItemId ), Role::CONSTRAINT_TYPE_ITEM )
+				(new ViolationMessage('wbqc-violation-message-range-parameters-needed'))
+					->withDataValueType($type)
+					->withEntityId(new PropertyId($minimumId), Role::CONSTRAINT_PARAMETER_PROPERTY)
+					->withEntityId(new PropertyId($maximumId), Role::CONSTRAINT_PARAMETER_PROPERTY)
+					->withEntityId(new ItemId($constraintTypeItemId), Role::CONSTRAINT_TYPE_ITEM)
 			);
 		}
 
-		$this->requireSingleParameter( $constraintParameters, $minimumId );
-		$this->requireSingleParameter( $constraintParameters, $maximumId );
+		$this->requireSingleParameter($constraintParameters, $minimumId);
+		$this->requireSingleParameter($constraintParameters, $maximumId);
 		$parseFunction = $type === 'time' ? 'parseValueOrNoValueOrNowParameter' : 'parseValueOrNoValueParameter';
-		$min = $this->$parseFunction( $constraintParameters[$minimumId][0], $minimumId );
-		$max = $this->$parseFunction( $constraintParameters[$maximumId][0], $maximumId );
+		$min = $this->$parseFunction($constraintParameters[$minimumId][0], $minimumId);
+		$max = $this->$parseFunction($constraintParameters[$maximumId][0], $maximumId);
 
-		$yearUnit = $this->config->get( 'WBQualityConstraintsYearUnit' );
-		if ( $this->exactlyOneQuantityWithUnit( $min, $max, $yearUnit ) ) {
+		$yearUnit = $this->config->get('WBQualityConstraintsYearUnit');
+		if ($this->exactlyOneQuantityWithUnit($min, $max, $yearUnit)) {
 			throw new ConstraintParameterException(
-				new ViolationMessage( 'wbqc-violation-message-range-parameters-one-year' )
+				new ViolationMessage('wbqc-violation-message-range-parameters-one-year')
 			);
 		}
-		if ( $min === null && $max === null ||
-			$min !== null && $max !== null && $min->equals( $max ) ) {
+		if ($min === null && $max === null ||
+			$min !== null && $max !== null && $min->equals($max)) {
 			throw new ConstraintParameterException(
-				( new ViolationMessage( 'wbqc-violation-message-range-parameters-same' ) )
-					->withEntityId( new PropertyId( $minimumId ), Role::CONSTRAINT_PARAMETER_PROPERTY )
-					->withEntityId( new PropertyId( $maximumId ), Role::CONSTRAINT_PARAMETER_PROPERTY )
+				(new ViolationMessage('wbqc-violation-message-range-parameters-same'))
+					->withEntityId(new PropertyId($minimumId), Role::CONSTRAINT_PARAMETER_PROPERTY)
+					->withEntityId(new PropertyId($maximumId), Role::CONSTRAINT_PARAMETER_PROPERTY)
 			);
 		}
 
-		return [ $min, $max ];
+		return [$min, $max];
 	}
 
 	/**
@@ -457,11 +457,11 @@ 
 	 * @throws ConstraintParameterException if the parameter is invalid or missing
 	 * @return DataValue[] a pair of two data values, either of which may be null to signify an open range
 	 */
-	public function parseQuantityRangeParameter( array $constraintParameters, $constraintTypeItemId ) {
+	public function parseQuantityRangeParameter(array $constraintParameters, $constraintTypeItemId) {
 		return $this->parseRangeParameter(
 			$constraintParameters,
-			$this->config->get( 'WBQualityConstraintsMinimumQuantityId' ),
-			$this->config->get( 'WBQualityConstraintsMaximumQuantityId' ),
+			$this->config->get('WBQualityConstraintsMinimumQuantityId'),
+			$this->config->get('WBQualityConstraintsMaximumQuantityId'),
 			$constraintTypeItemId,
 			'quantity'
 		);
@@ -474,11 +474,11 @@ 
 	 * @throws ConstraintParameterException if the parameter is invalid or missing
 	 * @return DataValue[] a pair of two data values, either of which may be null to signify an open range
 	 */
-	public function parseTimeRangeParameter( array $constraintParameters, $constraintTypeItemId ) {
+	public function parseTimeRangeParameter(array $constraintParameters, $constraintTypeItemId) {
 		return $this->parseRangeParameter(
 			$constraintParameters,
-			$this->config->get( 'WBQualityConstraintsMinimumDateId' ),
-			$this->config->get( 'WBQualityConstraintsMaximumDateId' ),
+			$this->config->get('WBQualityConstraintsMinimumDateId'),
+			$this->config->get('WBQualityConstraintsMaximumDateId'),
 			$constraintTypeItemId,
 			'time'
 		);
@@ -491,17 +491,17 @@ 
 	 * @throws ConstraintParameterException
 	 * @return string
 	 */
-	private function parseStringParameter( array $snakSerialization, $parameterId ) {
-		$snak = $this->snakDeserializer->deserialize( $snakSerialization );
-		$this->requireValueParameter( $snak, $parameterId );
+	private function parseStringParameter(array $snakSerialization, $parameterId) {
+		$snak = $this->snakDeserializer->deserialize($snakSerialization);
+		$this->requireValueParameter($snak, $parameterId);
 		$value = $snak->getDataValue();
-		if ( $value instanceof StringValue ) {
+		if ($value instanceof StringValue) {
 			return $value->getValue();
 		} else {
 			throw new ConstraintParameterException(
-				( new ViolationMessage( 'wbqc-violation-message-parameter-string' ) )
-					->withEntityId( new PropertyId( $parameterId ), Role::CONSTRAINT_PARAMETER_PROPERTY )
-					->withDataValue( $value, Role::CONSTRAINT_PARAMETER_VALUE )
+				(new ViolationMessage('wbqc-violation-message-parameter-string'))
+					->withEntityId(new PropertyId($parameterId), Role::CONSTRAINT_PARAMETER_PROPERTY)
+					->withDataValue($value, Role::CONSTRAINT_PARAMETER_VALUE)
 			);
 		}
 	}
@@ -512,15 +512,15 @@ 
 	 * @throws ConstraintParameterException if the parameter is invalid or missing
 	 * @return string
 	 */
-	public function parseNamespaceParameter( array $constraintParameters, $constraintTypeItemId ) {
-		$this->checkError( $constraintParameters );
-		$namespaceId = $this->config->get( 'WBQualityConstraintsNamespaceId' );
-		if ( !array_key_exists( $namespaceId, $constraintParameters ) ) {
+	public function parseNamespaceParameter(array $constraintParameters, $constraintTypeItemId) {
+		$this->checkError($constraintParameters);
+		$namespaceId = $this->config->get('WBQualityConstraintsNamespaceId');
+		if (!array_key_exists($namespaceId, $constraintParameters)) {
 			return '';
 		}
 
-		$this->requireSingleParameter( $constraintParameters, $namespaceId );
-		return $this->parseStringParameter( $constraintParameters[$namespaceId][0], $namespaceId );
+		$this->requireSingleParameter($constraintParameters, $namespaceId);
+		return $this->parseStringParameter($constraintParameters[$namespaceId][0], $namespaceId);
 	}
 
 	/**
@@ -529,19 +529,19 @@ 
 	 * @throws ConstraintParameterException if the parameter is invalid or missing
 	 * @return string
 	 */
-	public function parseFormatParameter( array $constraintParameters, $constraintTypeItemId ) {
-		$this->checkError( $constraintParameters );
-		$formatId = $this->config->get( 'WBQualityConstraintsFormatAsARegularExpressionId' );
-		if ( !array_key_exists( $formatId, $constraintParameters ) ) {
+	public function parseFormatParameter(array $constraintParameters, $constraintTypeItemId) {
+		$this->checkError($constraintParameters);
+		$formatId = $this->config->get('WBQualityConstraintsFormatAsARegularExpressionId');
+		if (!array_key_exists($formatId, $constraintParameters)) {
 			throw new ConstraintParameterException(
-				( new ViolationMessage( 'wbqc-violation-message-parameter-needed' ) )
-					->withEntityId( new ItemId( $constraintTypeItemId ), Role::CONSTRAINT_TYPE_ITEM )
-					->withEntityId( new PropertyId( $formatId ), Role::CONSTRAINT_PARAMETER_PROPERTY )
+				(new ViolationMessage('wbqc-violation-message-parameter-needed'))
+					->withEntityId(new ItemId($constraintTypeItemId), Role::CONSTRAINT_TYPE_ITEM)
+					->withEntityId(new PropertyId($formatId), Role::CONSTRAINT_PARAMETER_PROPERTY)
 			);
 		}
 
-		$this->requireSingleParameter( $constraintParameters, $formatId );
-		return $this->parseStringParameter( $constraintParameters[$formatId][0], $formatId );
+		$this->requireSingleParameter($constraintParameters, $formatId);
+		return $this->parseStringParameter($constraintParameters[$formatId][0], $formatId);
 	}
 
 	/**
@@ -549,16 +549,16 @@ 
 	 * @throws ConstraintParameterException if the parameter is invalid
 	 * @return EntityId[]
 	 */
-	public function parseExceptionParameter( array $constraintParameters ) {
-		$this->checkError( $constraintParameters );
-		$exceptionId = $this->config->get( 'WBQualityConstraintsExceptionToConstraintId' );
-		if ( !array_key_exists( $exceptionId, $constraintParameters ) ) {
+	public function parseExceptionParameter(array $constraintParameters) {
+		$this->checkError($constraintParameters);
+		$exceptionId = $this->config->get('WBQualityConstraintsExceptionToConstraintId');
+		if (!array_key_exists($exceptionId, $constraintParameters)) {
 			return [];
 		}
 
 		return array_map(
-			function( $snakSerialization ) use ( $exceptionId ) {
-				return $this->parseEntityIdParameter( $snakSerialization, $exceptionId );
+			function($snakSerialization) use ($exceptionId) {
+				return $this->parseEntityIdParameter($snakSerialization, $exceptionId);
 			},
 			$constraintParameters[$exceptionId]
 		);
@@ -569,39 +569,39 @@ 
 	 * @throws ConstraintParameterException if the parameter is invalid
 	 * @return string|null 'mandatory', 'suggestion' or null
 	 */
-	public function parseConstraintStatusParameter( array $constraintParameters ) {
-		$this->checkError( $constraintParameters );
-		$constraintStatusId = $this->config->get( 'WBQualityConstraintsConstraintStatusId' );
-		if ( !array_key_exists( $constraintStatusId, $constraintParameters ) ) {
+	public function parseConstraintStatusParameter(array $constraintParameters) {
+		$this->checkError($constraintParameters);
+		$constraintStatusId = $this->config->get('WBQualityConstraintsConstraintStatusId');
+		if (!array_key_exists($constraintStatusId, $constraintParameters)) {
 			return null;
 		}
 
-		$mandatoryId = $this->config->get( 'WBQualityConstraintsMandatoryConstraintId' );
-		$supportedStatuses = [ new ItemId( $mandatoryId ) ];
-		if ( $this->config->get( 'WBQualityConstraintsEnableSuggestionConstraintStatus' ) ) {
-			$suggestionId = $this->config->get( 'WBQualityConstraintsSuggestionConstraintId' );
-			$supportedStatuses[] = new ItemId( $suggestionId );
+		$mandatoryId = $this->config->get('WBQualityConstraintsMandatoryConstraintId');
+		$supportedStatuses = [new ItemId($mandatoryId)];
+		if ($this->config->get('WBQualityConstraintsEnableSuggestionConstraintStatus')) {
+			$suggestionId = $this->config->get('WBQualityConstraintsSuggestionConstraintId');
+			$supportedStatuses[] = new ItemId($suggestionId);
 		} else {
 			$suggestionId = null;
 		}
 
-		$this->requireSingleParameter( $constraintParameters, $constraintStatusId );
-		$snak = $this->snakDeserializer->deserialize( $constraintParameters[$constraintStatusId][0] );
-		$this->requireValueParameter( $snak, $constraintStatusId );
+		$this->requireSingleParameter($constraintParameters, $constraintStatusId);
+		$snak = $this->snakDeserializer->deserialize($constraintParameters[$constraintStatusId][0]);
+		$this->requireValueParameter($snak, $constraintStatusId);
 		'@phan-var \Wikibase\DataModel\Snak\PropertyValueSnak $snak';
 		$dataValue = $snak->getDataValue();
 		'@phan-var EntityIdValue $dataValue';
 		$entityId = $dataValue->getEntityId();
 		$statusId = $entityId->getSerialization();
 
-		if ( $statusId === $mandatoryId ) {
+		if ($statusId === $mandatoryId) {
 			return 'mandatory';
-		} elseif ( $statusId === $suggestionId ) {
+		} elseif ($statusId === $suggestionId) {
 			return 'suggestion';
 		} else {
 			throw new ConstraintParameterException(
-				( new ViolationMessage( 'wbqc-violation-message-parameter-oneof' ) )
-					->withEntityId( new PropertyId( $constraintStatusId ), Role::CONSTRAINT_PARAMETER_PROPERTY )
+				(new ViolationMessage('wbqc-violation-message-parameter-oneof'))
+					->withEntityId(new PropertyId($constraintStatusId), Role::CONSTRAINT_PARAMETER_PROPERTY)
 					->withEntityIdList(
 						$supportedStatuses,
 						Role::CONSTRAINT_PARAMETER_VALUE
@@ -617,12 +617,12 @@ 
 	 * @return void
 	 * @throws ConstraintParameterException
 	 */
-	private function requireMonolingualTextParameter( DataValue $dataValue, $parameterId ) {
-		if ( !( $dataValue instanceof MonolingualTextValue ) ) {
+	private function requireMonolingualTextParameter(DataValue $dataValue, $parameterId) {
+		if (!($dataValue instanceof MonolingualTextValue)) {
 			throw new ConstraintParameterException(
-				( new ViolationMessage( 'wbqc-violation-message-parameter-monolingualtext' ) )
-					->withEntityId( new PropertyId( $parameterId ), Role::CONSTRAINT_PARAMETER_PROPERTY )
-					->withDataValue( $dataValue, Role::CONSTRAINT_PARAMETER_VALUE )
+				(new ViolationMessage('wbqc-violation-message-parameter-monolingualtext'))
+					->withEntityId(new PropertyId($parameterId), Role::CONSTRAINT_PARAMETER_PROPERTY)
+					->withDataValue($dataValue, Role::CONSTRAINT_PARAMETER_VALUE)
 			);
 		}
 	}
@@ -635,31 +635,31 @@ 
 	 * @throws ConstraintParameterException if invalid snaks are found or a language has multiple texts
 	 * @return MultilingualTextValue
 	 */
-	private function parseMultilingualTextParameter( array $snakSerializations, $parameterId ) {
+	private function parseMultilingualTextParameter(array $snakSerializations, $parameterId) {
 		$result = [];
 
-		foreach ( $snakSerializations as $snakSerialization ) {
-			$snak = $this->snakDeserializer->deserialize( $snakSerialization );
-			$this->requireValueParameter( $snak, $parameterId );
+		foreach ($snakSerializations as $snakSerialization) {
+			$snak = $this->snakDeserializer->deserialize($snakSerialization);
+			$this->requireValueParameter($snak, $parameterId);
 
 			$value = $snak->getDataValue();
-			$this->requireMonolingualTextParameter( $value, $parameterId );
+			$this->requireMonolingualTextParameter($value, $parameterId);
 			/** @var MonolingualTextValue $value */
 			'@phan-var MonolingualTextValue $value';
 
 			$code = $value->getLanguageCode();
-			if ( array_key_exists( $code, $result ) ) {
+			if (array_key_exists($code, $result)) {
 				throw new ConstraintParameterException(
-					( new ViolationMessage( 'wbqc-violation-message-parameter-single-per-language' ) )
-						->withEntityId( new PropertyId( $parameterId ), Role::CONSTRAINT_PARAMETER_PROPERTY )
-						->withLanguage( $code )
+					(new ViolationMessage('wbqc-violation-message-parameter-single-per-language'))
+						->withEntityId(new PropertyId($parameterId), Role::CONSTRAINT_PARAMETER_PROPERTY)
+						->withLanguage($code)
 				);
 			}
 
 			$result[$code] = $value;
 		}
 
-		return new MultilingualTextValue( $result );
+		return new MultilingualTextValue($result);
 	}
 
 	/**
@@ -667,11 +667,11 @@ 
 	 * @throws ConstraintParameterException if the parameter is invalid
 	 * @return MultilingualTextValue
 	 */
-	public function parseSyntaxClarificationParameter( array $constraintParameters ) {
-		$syntaxClarificationId = $this->config->get( 'WBQualityConstraintsSyntaxClarificationId' );
+	public function parseSyntaxClarificationParameter(array $constraintParameters) {
+		$syntaxClarificationId = $this->config->get('WBQualityConstraintsSyntaxClarificationId');
 
-		if ( !array_key_exists( $syntaxClarificationId, $constraintParameters ) ) {
-			return new MultilingualTextValue( [] );
+		if (!array_key_exists($syntaxClarificationId, $constraintParameters)) {
+			return new MultilingualTextValue([]);
 		}
 
 		$syntaxClarifications = $this->parseMultilingualTextParameter(
@@ -696,7 +696,7 @@ 
 		array $validScopes = null
 	) {
 		$contextTypes = [];
-		$parameterId = $this->config->get( 'WBQualityConstraintsConstraintScopeId' );
+		$parameterId = $this->config->get('WBQualityConstraintsConstraintScopeId');
 		$items = $this->parseItemsParameter(
 			$constraintParameters,
 			$constraintTypeItemId,
@@ -704,23 +704,23 @@ 
 			$parameterId
 		);
 
-		if ( $items === [] ) {
+		if ($items === []) {
 			return null;
 		}
 
-		foreach ( $items as $item ) {
-			$contextTypes[] = $this->parseContextTypeItem( $item, 'constraint scope', $parameterId );
+		foreach ($items as $item) {
+			$contextTypes[] = $this->parseContextTypeItem($item, 'constraint scope', $parameterId);
 		}
 
-		if ( $validScopes !== null ) {
-			$invalidScopes = array_diff( $contextTypes, $validScopes );
-			if ( $invalidScopes !== [] ) {
-				$invalidScope = array_pop( $invalidScopes );
+		if ($validScopes !== null) {
+			$invalidScopes = array_diff($contextTypes, $validScopes);
+			if ($invalidScopes !== []) {
+				$invalidScope = array_pop($invalidScopes);
 				throw new ConstraintParameterException(
-					( new ViolationMessage( 'wbqc-violation-message-invalid-scope' ) )
-						->withConstraintScope( $invalidScope, Role::CONSTRAINT_PARAMETER_VALUE )
-						->withEntityId( new ItemId( $constraintTypeItemId ), Role::CONSTRAINT_TYPE_ITEM )
-						->withConstraintScopeList( $validScopes, Role::CONSTRAINT_PARAMETER_VALUE )
+					(new ViolationMessage('wbqc-violation-message-invalid-scope'))
+						->withConstraintScope($invalidScope, Role::CONSTRAINT_PARAMETER_VALUE)
+						->withEntityId(new ItemId($constraintTypeItemId), Role::CONSTRAINT_TYPE_ITEM)
+						->withConstraintScopeList($validScopes, Role::CONSTRAINT_PARAMETER_VALUE)
 				);
 			}
 		}
@@ -734,8 +734,8 @@ 
 	 * @param ItemId $unitId
 	 * @return string unit
 	 */
-	private function parseUnitParameter( ItemId $unitId ) {
-		return $this->unitItemConceptBaseUri . $unitId->getSerialization();
+	private function parseUnitParameter(ItemId $unitId) {
+		return $this->unitItemConceptBaseUri.$unitId->getSerialization();
 	}
 
 	/**
@@ -745,23 +745,23 @@ 
 	 * @return UnitsParameter
 	 * @throws ConstraintParameterException
 	 */
-	private function parseUnitItem( ItemIdSnakValue $item ) {
-		switch ( true ) {
+	private function parseUnitItem(ItemIdSnakValue $item) {
+		switch (true) {
 			case $item->isValue():
-				$unit = $this->parseUnitParameter( $item->getItemId() );
+				$unit = $this->parseUnitParameter($item->getItemId());
 				return new UnitsParameter(
-					[ $item->getItemId() ],
-					[ UnboundedQuantityValue::newFromNumber( 1, $unit ) ],
+					[$item->getItemId()],
+					[UnboundedQuantityValue::newFromNumber(1, $unit)],
 					false
 				);
 			case $item->isSomeValue():
-				$qualifierId = $this->config->get( 'WBQualityConstraintsQualifierOfPropertyConstraintId' );
+				$qualifierId = $this->config->get('WBQualityConstraintsQualifierOfPropertyConstraintId');
 				throw new ConstraintParameterException(
-					( new ViolationMessage( 'wbqc-violation-message-parameter-value-or-novalue' ) )
-						->withEntityId( new PropertyId( $qualifierId ), Role::CONSTRAINT_PARAMETER_PROPERTY )
+					(new ViolationMessage('wbqc-violation-message-parameter-value-or-novalue'))
+						->withEntityId(new PropertyId($qualifierId), Role::CONSTRAINT_PARAMETER_PROPERTY)
 				);
 			case $item->isNoValue():
-				return new UnitsParameter( [], [], true );
+				return new UnitsParameter([], [], true);
 		}
 	}
 
@@ -771,26 +771,26 @@ 
 	 * @throws ConstraintParameterException if the parameter is invalid or missing
 	 * @return UnitsParameter
 	 */
-	public function parseUnitsParameter( array $constraintParameters, $constraintTypeItemId ) {
-		$items = $this->parseItemsParameter( $constraintParameters, $constraintTypeItemId, true );
+	public function parseUnitsParameter(array $constraintParameters, $constraintTypeItemId) {
+		$items = $this->parseItemsParameter($constraintParameters, $constraintTypeItemId, true);
 		$unitItems = [];
 		$unitQuantities = [];
 		$unitlessAllowed = false;
 
-		foreach ( $items as $item ) {
-			$unit = $this->parseUnitItem( $item );
-			$unitItems = array_merge( $unitItems, $unit->getUnitItemIds() );
-			$unitQuantities = array_merge( $unitQuantities, $unit->getUnitQuantities() );
+		foreach ($items as $item) {
+			$unit = $this->parseUnitItem($item);
+			$unitItems = array_merge($unitItems, $unit->getUnitItemIds());
+			$unitQuantities = array_merge($unitQuantities, $unit->getUnitQuantities());
 			$unitlessAllowed = $unitlessAllowed || $unit->getUnitlessAllowed();
 		}
 
-		if ( $unitQuantities === [] && !$unitlessAllowed ) {
+		if ($unitQuantities === [] && !$unitlessAllowed) {
 			throw new LogicException(
 				'The "units" parameter is required, and yet we seem to be missing any allowed unit'
 			);
 		}
 
-		return new UnitsParameter( $unitItems, $unitQuantities, $unitlessAllowed );
+		return new UnitsParameter($unitItems, $unitQuantities, $unitlessAllowed);
 	}
 
 	/**
@@ -800,53 +800,53 @@ 
 	 * @return EntityTypesParameter
 	 * @throws ConstraintParameterException
 	 */
-	private function parseEntityTypeItem( ItemIdSnakValue $item ) {
-		$parameterId = $this->config->get( 'WBQualityConstraintsQualifierOfPropertyConstraintId' );
+	private function parseEntityTypeItem(ItemIdSnakValue $item) {
+		$parameterId = $this->config->get('WBQualityConstraintsQualifierOfPropertyConstraintId');
 
-		if ( !$item->isValue() ) {
+		if (!$item->isValue()) {
 			throw new ConstraintParameterException(
-				( new ViolationMessage( 'wbqc-violation-message-parameter-value' ) )
-					->withEntityId( new PropertyId( $parameterId ), Role::CONSTRAINT_PARAMETER_PROPERTY )
+				(new ViolationMessage('wbqc-violation-message-parameter-value'))
+					->withEntityId(new PropertyId($parameterId), Role::CONSTRAINT_PARAMETER_PROPERTY)
 			);
 		}
 
 		$itemId = $item->getItemId();
-		switch ( $itemId->getSerialization() ) {
-			case $this->config->get( 'WBQualityConstraintsWikibaseItemId' ):
+		switch ($itemId->getSerialization()) {
+			case $this->config->get('WBQualityConstraintsWikibaseItemId'):
 				$entityType = 'item';
 				break;
-			case $this->config->get( 'WBQualityConstraintsWikibasePropertyId' ):
+			case $this->config->get('WBQualityConstraintsWikibasePropertyId'):
 				$entityType = 'property';
 				break;
-			case $this->config->get( 'WBQualityConstraintsWikibaseLexemeId' ):
+			case $this->config->get('WBQualityConstraintsWikibaseLexemeId'):
 				$entityType = 'lexeme';
 				break;
-			case $this->config->get( 'WBQualityConstraintsWikibaseFormId' ):
+			case $this->config->get('WBQualityConstraintsWikibaseFormId'):
 				$entityType = 'form';
 				break;
-			case $this->config->get( 'WBQualityConstraintsWikibaseSenseId' ):
+			case $this->config->get('WBQualityConstraintsWikibaseSenseId'):
 				$entityType = 'sense';
 				break;
-			case $this->config->get( 'WBQualityConstraintsWikibaseMediaInfoId' ):
+			case $this->config->get('WBQualityConstraintsWikibaseMediaInfoId'):
 				$entityType = 'mediainfo';
 				break;
 			default:
 				$allowed = [
-					new ItemId( $this->config->get( 'WBQualityConstraintsWikibaseItemId' ) ),
-					new ItemId( $this->config->get( 'WBQualityConstraintsWikibasePropertyId' ) ),
-					new ItemId( $this->config->get( 'WBQualityConstraintsWikibaseLexemeId' ) ),
-					new ItemId( $this->config->get( 'WBQualityConstraintsWikibaseFormId' ) ),
-					new ItemId( $this->config->get( 'WBQualityConstraintsWikibaseSenseId' ) ),
-					new ItemId( $this->config->get( 'WBQualityConstraintsWikibaseMediaInfoId' ) ),
+					new ItemId($this->config->get('WBQualityConstraintsWikibaseItemId')),
+					new ItemId($this->config->get('WBQualityConstraintsWikibasePropertyId')),
+					new ItemId($this->config->get('WBQualityConstraintsWikibaseLexemeId')),
+					new ItemId($this->config->get('WBQualityConstraintsWikibaseFormId')),
+					new ItemId($this->config->get('WBQualityConstraintsWikibaseSenseId')),
+					new ItemId($this->config->get('WBQualityConstraintsWikibaseMediaInfoId')),
 				];
 				throw new ConstraintParameterException(
-					( new ViolationMessage( 'wbqc-violation-message-parameter-oneof' ) )
-						->withEntityId( new PropertyId( $parameterId ), Role::CONSTRAINT_PARAMETER_PROPERTY )
-						->withEntityIdList( $allowed, Role::CONSTRAINT_PARAMETER_VALUE )
+					(new ViolationMessage('wbqc-violation-message-parameter-oneof'))
+						->withEntityId(new PropertyId($parameterId), Role::CONSTRAINT_PARAMETER_PROPERTY)
+						->withEntityIdList($allowed, Role::CONSTRAINT_PARAMETER_VALUE)
 				);
 		}
 
-		return new EntityTypesParameter( [ $entityType ], [ $itemId ] );
+		return new EntityTypesParameter([$entityType], [$itemId]);
 	}
 
 	/**
@@ -855,27 +855,27 @@ 
 	 * @throws ConstraintParameterException if the parameter is invalid or missing
 	 * @return EntityTypesParameter
 	 */
-	public function parseEntityTypesParameter( array $constraintParameters, $constraintTypeItemId ) {
+	public function parseEntityTypesParameter(array $constraintParameters, $constraintTypeItemId) {
 		$entityTypes = [];
 		$entityTypeItemIds = [];
-		$items = $this->parseItemsParameter( $constraintParameters, $constraintTypeItemId, true );
+		$items = $this->parseItemsParameter($constraintParameters, $constraintTypeItemId, true);
 
-		foreach ( $items as $item ) {
-			$entityType = $this->parseEntityTypeItem( $item );
-			$entityTypes = array_merge( $entityTypes, $entityType->getEntityTypes() );
-			$entityTypeItemIds = array_merge( $entityTypeItemIds, $entityType->getEntityTypeItemIds() );
+		foreach ($items as $item) {
+			$entityType = $this->parseEntityTypeItem($item);
+			$entityTypes = array_merge($entityTypes, $entityType->getEntityTypes());
+			$entityTypeItemIds = array_merge($entityTypeItemIds, $entityType->getEntityTypeItemIds());
 		}
 
-		if ( empty( $entityTypes ) ) {
+		if (empty($entityTypes)) {
 			// @codeCoverageIgnoreStart
 			throw new LogicException(
-				'The "entity types" parameter is required, ' .
+				'The "entity types" parameter is required, '.
 				'and yet we seem to be missing any allowed entity type'
 			);
 			// @codeCoverageIgnoreEnd
 		}
 
-		return new EntityTypesParameter( $entityTypes, $entityTypeItemIds );
+		return new EntityTypesParameter($entityTypes, $entityTypeItemIds);
 	}
 
 	/**
@@ -883,18 +883,18 @@ 
 	 * @throws ConstraintParameterException if the parameter is invalid
 	 * @return PropertyId[]
 	 */
-	public function parseSeparatorsParameter( array $constraintParameters ) {
-		$separatorId = $this->config->get( 'WBQualityConstraintsSeparatorId' );
+	public function parseSeparatorsParameter(array $constraintParameters) {
+		$separatorId = $this->config->get('WBQualityConstraintsSeparatorId');
 
-		if ( !array_key_exists( $separatorId, $constraintParameters ) ) {
+		if (!array_key_exists($separatorId, $constraintParameters)) {
 			return [];
 		}
 
 		$parameters = $constraintParameters[$separatorId];
 		$separators = [];
 
-		foreach ( $parameters as $parameter ) {
-			$separators[] = $this->parsePropertyIdParameter( $parameter, $separatorId );
+		foreach ($parameters as $parameter) {
+			$separators[] = $this->parsePropertyIdParameter($parameter, $separatorId);
 		}
 
 		return $separators;
@@ -909,26 +909,26 @@ 
 	 * @return string one of the Context::TYPE_* constants
 	 * @throws ConstraintParameterException
 	 */
-	private function parseContextTypeItem( ItemIdSnakValue $item, $use, $parameterId ) {
-		if ( !$item->isValue() ) {
+	private function parseContextTypeItem(ItemIdSnakValue $item, $use, $parameterId) {
+		if (!$item->isValue()) {
 			throw new ConstraintParameterException(
-				( new ViolationMessage( 'wbqc-violation-message-parameter-value' ) )
-					->withEntityId( new PropertyId( $parameterId ), Role::CONSTRAINT_PARAMETER_PROPERTY )
+				(new ViolationMessage('wbqc-violation-message-parameter-value'))
+					->withEntityId(new PropertyId($parameterId), Role::CONSTRAINT_PARAMETER_PROPERTY)
 			);
 		}
 
-		if ( $use === 'constraint scope' ) {
-			$mainSnakId = $this->config->get( 'WBQualityConstraintsConstraintCheckedOnMainValueId' );
-			$qualifiersId = $this->config->get( 'WBQualityConstraintsConstraintCheckedOnQualifiersId' );
-			$referencesId = $this->config->get( 'WBQualityConstraintsConstraintCheckedOnReferencesId' );
+		if ($use === 'constraint scope') {
+			$mainSnakId = $this->config->get('WBQualityConstraintsConstraintCheckedOnMainValueId');
+			$qualifiersId = $this->config->get('WBQualityConstraintsConstraintCheckedOnQualifiersId');
+			$referencesId = $this->config->get('WBQualityConstraintsConstraintCheckedOnReferencesId');
 		} else {
-			$mainSnakId = $this->config->get( 'WBQualityConstraintsAsMainValueId' );
-			$qualifiersId = $this->config->get( 'WBQualityConstraintsAsQualifiersId' );
-			$referencesId = $this->config->get( 'WBQualityConstraintsAsReferencesId' );
+			$mainSnakId = $this->config->get('WBQualityConstraintsAsMainValueId');
+			$qualifiersId = $this->config->get('WBQualityConstraintsAsQualifiersId');
+			$referencesId = $this->config->get('WBQualityConstraintsAsReferencesId');
 		}
 
 		$itemId = $item->getItemId();
-		switch ( $itemId->getSerialization() ) {
+		switch ($itemId->getSerialization()) {
 			case $mainSnakId:
 				return Context::TYPE_STATEMENT;
 			case $qualifiersId:
@@ -937,14 +937,14 @@ 
 				return Context::TYPE_REFERENCE;
 			default:
 				$allowed = [
-					new ItemId( $mainSnakId ),
-					new ItemId( $qualifiersId ),
-					new ItemId( $referencesId ),
+					new ItemId($mainSnakId),
+					new ItemId($qualifiersId),
+					new ItemId($referencesId),
 				];
 				throw new ConstraintParameterException(
-					( new ViolationMessage( 'wbqc-violation-message-parameter-oneof' ) )
-						->withEntityId( new PropertyId( $parameterId ), Role::CONSTRAINT_PARAMETER_PROPERTY )
-						->withEntityIdList( $allowed, Role::CONSTRAINT_PARAMETER_VALUE )
+					(new ViolationMessage('wbqc-violation-message-parameter-oneof'))
+						->withEntityId(new PropertyId($parameterId), Role::CONSTRAINT_PARAMETER_PROPERTY)
+						->withEntityIdList($allowed, Role::CONSTRAINT_PARAMETER_VALUE)
 				);
 		}
 	}
@@ -955,9 +955,9 @@ 
 	 * @throws ConstraintParameterException if the parameter is invalid or missing
 	 * @return string[] list of Context::TYPE_* constants
 	 */
-	public function parsePropertyScopeParameter( array $constraintParameters, $constraintTypeItemId ) {
+	public function parsePropertyScopeParameter(array $constraintParameters, $constraintTypeItemId) {
 		$contextTypes = [];
-		$parameterId = $this->config->get( 'WBQualityConstraintsPropertyScopeId' );
+		$parameterId = $this->config->get('WBQualityConstraintsPropertyScopeId');
 		$items = $this->parseItemsParameter(
 			$constraintParameters,
 			$constraintTypeItemId,
@@ -965,14 +965,14 @@ 
 			$parameterId
 		);
 
-		foreach ( $items as $item ) {
-			$contextTypes[] = $this->parseContextTypeItem( $item, 'property scope', $parameterId );
+		foreach ($items as $item) {
+			$contextTypes[] = $this->parseContextTypeItem($item, 'property scope', $parameterId);
 		}
 
-		if ( empty( $contextTypes ) ) {
+		if (empty($contextTypes)) {
 			// @codeCoverageIgnoreStart
 			throw new LogicException(
-				'The "property scope" parameter is required, ' .
+				'The "property scope" parameter is required, '.
 				'and yet we seem to be missing any allowed scope'
 			);
 			// @codeCoverageIgnoreEnd