[Config] fix return type declarations
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@ -38,17 +38,13 @@ class ArrayNode extends BaseNode implements PrototypeNodeInterface
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}
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/**
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* Normalizes keys between the different configuration formats.
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* {@inheritdoc}
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*
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* Namely, you mostly have foo_bar in YAML while you have foo-bar in XML.
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* After running this method, all keys are normalized to foo_bar.
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*
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* If you have a mixed key like foo-bar_moo, it will not be altered.
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* The key will also not be altered if the target key already exists.
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*
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* @param mixed $value
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*
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* @return array The value with normalized keys
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*/
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protected function preNormalize($value)
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{
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@ -49,21 +49,37 @@ abstract class BaseNode implements NodeInterface
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$this->parent = $parent;
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}
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/**
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* @param string $key
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*/
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public function setAttribute($key, $value)
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{
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$this->attributes[$key] = $value;
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}
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/**
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* @param string $key
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*
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* @return mixed
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*/
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public function getAttribute($key, $default = null)
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{
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return isset($this->attributes[$key]) ? $this->attributes[$key] : $default;
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}
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/**
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* @param string $key
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*
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* @return bool
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*/
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public function hasAttribute($key)
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{
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return isset($this->attributes[$key]);
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}
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/**
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* @return array
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*/
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public function getAttributes()
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{
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return $this->attributes;
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@ -74,6 +90,9 @@ abstract class BaseNode implements NodeInterface
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$this->attributes = $attributes;
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}
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/**
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* @param string $key
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*/
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public function removeAttribute($key)
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{
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unset($this->attributes[$key]);
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@ -92,7 +111,7 @@ abstract class BaseNode implements NodeInterface
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/**
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* Returns info message.
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*
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* @return string The info text
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* @return string|null The info text
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*/
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public function getInfo()
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{
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@ -112,7 +131,7 @@ abstract class BaseNode implements NodeInterface
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/**
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* Retrieves the example configuration for this node.
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*
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* @return string|array The example
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* @return string|array|null The example
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*/
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public function getExample()
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{
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@ -78,7 +78,7 @@ class PrototypedArrayNode extends ArrayNode
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/**
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* Retrieves the name of the attribute which value should be used as key.
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*
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* @return string The name of the attribute
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* @return string|null The name of the attribute
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*/
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public function getKeyAttribute()
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{
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@ -152,7 +152,7 @@ class XmlUtils
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* @param \DOMElement $element A \DOMElement instance
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* @param bool $checkPrefix Check prefix in an element or an attribute name
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*
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* @return array A PHP array
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* @return mixed
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*/
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public static function convertDomElementToArray(\DOMElement $element, $checkPrefix = true)
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{
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