string getKeyAttribute() Retrieves the name of the attribute which value should be used as key
NodeDefinition|$this
ExprBuilder|
setKeyAttribute(string $attribute, bool $remove = true) Sets the attribute which value is to be used
ExprBuilder
setAttributes(array $attributes) Parameters array $attributes
append(NodeDefinition
getAttribute($key, $default = null) Parameters $key
string getResource() Return Value string The file
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