private void processLoop(PsiStatement parent, PsiLoopStatement statement) {
    highlightLoopDeclaration(statement);
    PsiStatement body = statement.getBody();
    if (body instanceof PsiBlockStatement) {
      collectSiblings(parent, statement, ((PsiBlockStatement)body).getCodeBlock());
    }
  }
private void processLoop(PsiStatement parent, PsiLoopStatement statement)