protected final @NotNull StubElement buildStubTreeFor(@NotNull ASTNode root, @NotNull StubElement parentStub) {
    new StubBuildingWalkingVisitor(root, parentStub).buildStubTree();
    return parentStub;
  }
protected final @NotNull StubElement buildStubTreeFor(@NotNull ASTNode root, @NotNull StubElement parentStub)