# Package org.apache.tamaya.resolver.spi

This package contains the SPI of the resolver module, allowing overriding/adding of resolution mechanisms as well as the overall evaluation mechanism.

See: Description

- Interface Summary
  Interface | Description
  --- | ---
  ExpressionEvaluator | Interface that provides an SPI that can be accessed from the current `ServiceContext`, which allows to pass expression that contain placeholders and variable expressions.
  ExpressionResolver | This interfaces provides a model for expression evaluation.

## Package org.apache.tamaya.resolver.spi Description

This package contains the SPI of the resolver module, allowing overriding/adding of resolution mechanisms as well as the overall evaluation mechanism.

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