# Package org.apache.tamaya.functions

Contains additional useful operators and queries.

See: Description

- Interface Summary
  Interface | Description
  --- | ---
  KeyMapper | Represents a function that maps a key of a property entry to another key (or removes it if mapped to null).
  Predicate<T> | Represents a predicate (boolean-valued function) of one argument.
  PropertyMapper | This is a simple functional interface, used for mapping properties.
  PropertyMatcher | Represents a selector predicate for selecting configuration properties.

- Class Summary
  Class | Description
  --- | ---
  ConfigurationFunctions | Accessor that provides useful functions along with configuration.
  PropertySourceFunctions | Accessor that provides useful functions along with configuration.

## Package org.apache.tamaya.functions Description

Contains additional useful operators and queries.

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