## Uses of Class
org.apache.commons.configuration2.tree.DefaultExpressionEngine

- Packages that use DefaultExpressionEngine
  Package | Description
  --- | ---
  org.apache.commons.configuration2.tree | A package with helper and utility classes used by hierarchical configurations.

- - ### Uses of DefaultExpressionEngine in org.apache.commons.configuration2.tree

    Fields in org.apache.commons.configuration2.tree declared as DefaultExpressionEngine
    Modifier and Type | Field and Description
    --- | ---
    `static DefaultExpressionEngine` | DefaultExpressionEngine.`INSTANCE` A default instance of this class that is used as expression engine for hierarchical configurations per default.

    Methods in org.apache.commons.configuration2.tree that return DefaultExpressionEngine
    Modifier and Type | Method and Description
    --- | ---
    `DefaultExpressionEngine` | DefaultConfigurationKey.`getExpressionEngine()` Returns the associated default expression engine.

    Constructors in org.apache.commons.configuration2.tree with parameters of type DefaultExpressionEngine
    Constructor and Description
    `DefaultConfigurationKey(DefaultExpressionEngine engine)` Creates a new instance of `DefaultConfigurationKey` and sets the associated expression engine.
    `DefaultConfigurationKey(DefaultExpressionEngine engine, String key)` Creates a new instance of `DefaultConfigurationKey` and sets the associated expression engine and an initial key.

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