private VirtualFile getPluginResourcesDirectoryFor(@NotNull VirtualFile resource) {
    String rootPath = ScratchFileService.getInstance().getRootPath(this);
    VirtualFile root = LocalFileSystem.getInstance().findFileByPath(rootPath);
    if (root == null) {
      return null;
    }

    VirtualFile parent = resource;
    VirtualFile file = resource;
    while (parent != null && !root.equals(parent)) {
      file = parent;
      parent = file.getParent();
    }
    return parent != null && file.isDirectory() ? file : null;
  }
private VirtualFile getPluginResourcesDirectoryFor(@NotNull VirtualFile resource)