Bug 89031 [Undo/Redo] IWorkbench#getOperationSupport() marked experimental
IWorkbench#getOperationSupport() marked experimental
bundles/org.eclipse.core.commands/src/org/eclipse/core/commands/operations/IUndoContext.java
/**
	 * Get the label that should be used to describe the context in any views.
	 * Contexts may be shown when filtered operation histories are shown to the
	 * user.
	 * 
	 * @return the label for the context.
	 */
	public String getLabel();
	/**
	 * Return whether the specified context is considered a match for the
	 * receiving context. When a context matches another context, objects that
	 * have the context are considered to also have the matching context.
	 * 
	 * @param context -
	 *            the context to be checked against the receiving context.
	 * 
	 * @return <code>true</code> if the receiving context can be considered a
	 *         match for the specified context, and <code>false</code> if it
	 *         cannot.
	 */
	public boolean matches(IUndoContext context);
}