## Uses of Interface
org.eclipse.jface.text.IDocumentExtension4

Packages that use IDocumentExtension4
org.eclipse.jface.text: Provides a framework for creating and manipulating text documents.
org.eclipse.jface.text.projection: This package provides an implementation of projection documents.

### Uses of IDocumentExtension4 in org.eclipse.jface.text

Classes in org.eclipse.jface.text that implement IDocumentExtension4
`class` `AbstractDocument` Abstract default implementation of `IDocument` and its extension interfaces `IDocumentExtension`, `IDocumentExtension2`, `IDocumentExtension3`, `IDocumentExtension4`, as well as `IRepairableDocument`.
`class` `Document` Default document implementation.

### Uses of IDocumentExtension4 in org.eclipse.jface.text.projection

Classes in org.eclipse.jface.text.projection that implement IDocumentExtension4
`class` `ChildDocument` Implementation of a child document based on `ProjectionDocument`.
`class` `ProjectionDocument` A `ProjectionDocument` represents a projection of its master document.