@Nullable
  public static ASTNode getClosureRBraceAtTheEnd(ASTNode node) {
    IElementType elementType = node.getElementType();
    if (elementType == GroovyElementTypes.CLOSABLE_BLOCK) {
      PsiElement rBrace = ((GrClosableBlock)node.getPsi()).getRBrace();
      return rBrace != null ? rBrace.getNode() : null;
    }

    ASTNode lastChild = node.getLastChildNode();
    while (lastChild != null && PsiImplUtil.isWhiteSpaceOrNls(lastChild)) {
      lastChild = lastChild.getTreePrev();
    }
    if (lastChild == null) return null;

    return getClosureRBraceAtTheEnd(lastChild);
  }
@Nullable
  public static ASTNode getClosureRBraceAtTheEnd(ASTNode node)