# Package org.eclipse.team.core.diff

package org.eclipse.team.core.diff
Application programming interfaces for working with diffs.

## Package Specification

This package specifies the API for working with diffs. Diffs are used to describe differences between two or more states of the same model. The API supports diff descriptions between model elements and model hierarchies. The API also supports specific diffs for the `IResource` model.

Related Packages
Package
Description
org.eclipse.team.core
Application programming interfaces for defining and working with repository providers.
org.eclipse.team.core.diff.provider
Application programming interfaces for working with diffs.
org.eclipse.team.core.history
Application programming interfaces for describing the history associated with files.
org.eclipse.team.core.mapping
Application programming interfaces for working with resource mappings.
org.eclipse.team.core.subscribers
Application programming interfaces for generating and refreshing synchronization state.
org.eclipse.team.core.synchronize
Application programming interfaces for managing synchronization state.
org.eclipse.team.core.variants
Application programming interfaces for accessing and managing resource variants.
Class
Description
DiffFilter
A `DiffNodeFilter` tests an `IDiff` for inclusion, typically in an `IDiffTree`.
FastDiffFilter
A specialized `DiffNodeFilter` that does not require a progress monitor.
IDiff
A diff describes differences between two or more model objects.
IDiffChangeEvent
A change event that describes changes that have occurred in an `IDiffTree`.
IDiffChangeListener
Diff change listener that reports changes in an `IDiffTree`.
IDiffTree
A diff tree provides access to a tree of `IDiff` instances.
IDiffVisitor
An objects that visits diffs in a diff tree.
IThreeWayDiff
A three-way delta that describe the synchronization state between two contributors and an ancestor.
ITwoWayDiff
A two-way diff represents the changes between two states of the same object, referred to as the "before" state and the "after" state.