# Package org.hibernate.validator.internal.metadata.provider

Abstraction of the meta data sources - annotation, xml, programmatic

See: Description

- Interface Summary
  Interface | Description
  --- | ---
  MetaDataProvider | A provider for constraint related meta data such as constraints, default group sequences etc.

- Class Summary
  Class | Description
  --- | ---
  AnnotationMetaDataProvider | `MetaDataProvider` which reads the metadata from annotations which is the default configuration source.
  MetaDataProviderKeyedByClassName | Base implementation for `MetaDataProvider`s which cache the `BeanConfiguration` by class name.
  ProgrammaticMetaDataProvider | A `MetaDataProvider` based on the programmatic constraint API.
  XmlMetaDataProvider | A `MetaDataProvider` providing constraint related meta data based on XML descriptors as defined by the Bean Validation API.

## Package org.hibernate.validator.internal.metadata.provider Description

Abstraction of the meta data sources - annotation, xml, programmatic

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