protected void beforeFileRename(@NotNull VirtualFile file, Object requestor, @NotNull String oldName, @NotNull String newName) {
    fireBeforePropertyChange(requestor, file, VirtualFile.PROP_NAME, oldName, newName);
    myCachedFiles.remove(file.getPath());
  }
protected void beforeFileRename(@NotNull VirtualFile file, Object requestor, @NotNull String oldName, @NotNull String newName)