# Hierarchy For Package org.eclipse.incquery.runtime.extensibility

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.eclipse.incquery.runtime.extensibility.IncQueryRuntimeConstants
  - org.eclipse.incquery.runtime.extensibility.QueryBackendRegistry
  - org.eclipse.incquery.runtime.extensibility.QuerySpecificationRegistry
  - org.eclipse.incquery.runtime.extensibility.SingletonExtensionFactory (implements org.eclipse.core.runtime.IExecutableExtension, org.eclipse.core.runtime.IExecutableExtensionFactory)
    - org.eclipse.incquery.runtime.extensibility.PQueryExtensionFactory