@Nullable
  @Override
  public GradleResourceRootDescriptor findRootDescriptor(@NotNull String rootId, @NotNull BuildRootIndex rootIndex) {
    for (GradleResourceRootDescriptor descriptor : rootIndex.getTargetRoots(this, null)) {
      if (descriptor.getRootId().equals(rootId)) {
        return descriptor;
      }
    }
    return null;
  }
@Nullable
  @Override
  public GradleResourceRootDescriptor findRootDescriptor(@NotNull String rootId, @NotNull BuildRootIndex rootIndex)