public void removeSelection(final VirtualFile elementAt) {
    myState.remove(elementAt);
    myState.clearAllCachedMatching(f -> VfsUtilCore.isAncestor(f, elementAt, false) || VfsUtilCore.isAncestor(elementAt, f, false));
    if (mySelectionChangeListener != null) {
      mySelectionChangeListener.minus(elementAt);
    }
  }
public void removeSelection(final VirtualFile elementAt)