Bug 190061 [Metadata] Update @since tags for new API
Patch to follow
bundles/org.eclipse.ui.ide/extensions/org/eclipse/ui/actions/CopyFilesAndFoldersOperation.java
*         <code>false</code> if there would
	 */
	private IResource[] validateNoNameCollisions(IContainer destination,
			IResource[] sourceResources) {
		List copyItems = new ArrayList();
		IWorkspaceRoot workspaceRoot = destination.getWorkspace().getRoot();
		int overwrite = IDialogConstants.NO_ID;
		
		
		for (int i = 0; i < sourceResources.length; i++) {
			final IResource sourceResource = sourceResources[i];
			final IPath destinationPath = destination.getFullPath().append(
					sourceResource.getName());
			final IPath sourcePath = sourceResource.getFullPath();
			IResource newResource = workspaceRoot.findMember(destinationPath);
			if (newResource != null && destinationPath.isPrefixOf(sourcePath)) {
				displayError(NLS
						.bind(
								IDEWorkbenchMessages.CopyFilesAndFoldersOperation_overwriteProblem,
								destinationPath, sourcePath));
				canceled = true;
				return null;
			}
		}
		
		for (int i = 0; i < sourceResources.length; i++) {
			final IResource source = sourceResources[i];
			final IPath destinationPath = destination.getFullPath().append(
					source.getName());
			IResource newResource = workspaceRoot.findMember(destinationPath);