static boolean containsUnlabeledBreakStatement(@Nullable PsiStatement statement) {
    if (!(statement instanceof PsiBlockStatement blockStatement)) {
      return isUnlabeledBreakStatement(statement);
    }
    final PsiCodeBlock codeBlock = blockStatement.getCodeBlock();
    final PsiStatement firstStatement = ControlFlowUtils.getOnlyStatementInBlock(codeBlock);
    return isUnlabeledBreakStatement(firstStatement);
  }
static boolean containsUnlabeledBreakStatement(@Nullable PsiStatement statement)