public void addFileToGroup(final String groupId, final String file, final DuplicateLevel duplicateLevel, final String vcsName) {
    final FileGroup newGroup = myGroupHolder.get(groupId);
    addFileToGroup(newGroup, file, duplicateLevel, vcsName);
  }
public void addFileToGroup(final String groupId, final String file, final DuplicateLevel duplicateLevel, final String vcsName)