# Package org.eclipse.viatra.query.patternlanguage.emf.annotations

- Interface Summary
  Interface | Description
  --- | ---
  IAnnotationValidatorLoader |
  IPatternAnnotationAdditionalValidator | Interface for providing annotation-specific validators
  IPatternAnnotationValidator | An interface for validating pattern `Annotation` objects.

- Class Summary
  Class | Description
  --- | ---
  AnnotationExpressionValidator |
  ExtensionBasedAnnotationValidatorLoader |
  PatternAnnotationParameter |
  PatternAnnotationProvider |
  PatternAnnotationValidator | A description of VQL language annotations.
  ServiceLoaderBasedAnnotationValidatorLoader |