@Override
    public void visitStringLiteral(@NotNull JsonStringLiteral stringLiteral) {
      if (!allowSingleQuotes() && JsonPsiUtil.getElementTextWithoutHostEscaping(stringLiteral).startsWith("'")) {
        myHolder.registerProblem(stringLiteral, JsonBundle.message("inspection.compliance.msg.single.quoted.strings"),
                                 new AddDoubleQuotesFix());
      }
      // May be illegal property key as well
      super.visitStringLiteral(stringLiteral);
    }
@Override
    public void visitStringLiteral(@NotNull JsonStringLiteral stringLiteral)