@Override
        public void fill(@NotNull PsiExpression argument,
                         @NotNull PsiExpression qualifier,
                         @NotNull StringBuilder builder,
                         @NotNull CommentTracker ct) {
          if (!isApplicable(argument)) {
            EqualsOnSuspiciousObjectFix.fillSimple(fallback, argument, qualifier, builder, ct);
            return;
          }
          builder.append(ct.text(qualifier, ParenthesesUtils.METHOD_CALL_PRECEDENCE))
            .append(".")
            .append(COMPARE_TO)
            .append("(")
            .append(ct.text(argument))
            .append(")")
            .append(" == 0");
        }
@Override
        public void fill(@NotNull PsiExpression argument,
                         @NotNull PsiExpression qualifier,
                         @NotNull StringBuilder builder,
                         @NotNull CommentTracker ct)