CacheLocator.getNavToolCache().removeNav(folder.getHostId(), folder.getInode());
Identifier ident = APILocator.getIdentifierAPI().find(link);
Link newLinkVersion = new Link();
newLinkVersion.copy(link);
// sets filename for this new file
newLinkVersion.setTitle(newName);
newLinkVersion.setFriendlyName(newName);
if(existsLinkWithTitleInFolder(newName, folder) || link.isLocked())