Bug 190061 [Metadata] Update @since tags for new API
Patch to follow
bundles/org.eclipse.ui.ide/extensions/org/eclipse/ui/actions/CopyFilesAndFoldersOperation.java
*/
	private void copyExisting(IResource source, IResource existing,
			IProgressMonitor subMonitor) throws CoreException {
		IFile existingFile = getFile(existing);
		if (existingFile != null) {
			IFile sourceFile = getFile(source);
			if (sourceFile != null) {
				existingFile.setContents(sourceFile.getContents(),
						IResource.KEEP_HISTORY, new SubProgressMonitor(
								subMonitor, 0));
			}
		}
	}
	/**
	 * Copies the given resources to the destination. The current Thread is
	 * halted while the resources are copied using a WorkspaceModifyOperation.
	 * This method should be called from the UIThread.
	 * 
	 * @param resources
	 *            the resources to copy
	 * @param destination
	 *            destination to which resources will be copied
	 * @return IResource[] the resulting {@link IResource}[]
	 * @see WorkspaceModifyOperation
	 * @see Display#getThread()
	 * @see Thread#currentThread()
	 */
	public IResource[] copyResources(final IResource[] resources,
			IContainer destination) {
		return copyResources(resources, destination, true, null);