# Uses of Package
org.apache.tamaya.resolver.spi

- Packages that use org.apache.tamaya.resolver.spi
  Package | Description
  --- | ---
  org.apache.tamaya.resolver.internal | This package contains the default implementation for file, classpath and URL resolution, as well as resolution of configuration cross references.

- Classes in org.apache.tamaya.resolver.spi used by org.apache.tamaya.resolver.internal
  Class and 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.

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