private static void replaceInCallQualifier(PsiVariable variable, PsiMethodCallExpression call, CommentTracker ct) {
      PsiMethod method = call.resolveMethod();
      if(method != null) {
        PsiExpression[] args = call.getArgumentList().getExpressions();
        @NonNls String name = method.getName();
        switch (name) {
          case "length", "chars", "codePoints", "charAt", "codePointAt", "codePointBefore", "codePointAfter", "codePointCount",
            "offsetByCodePoints", "substring", "subSequence" -> {
            return;
          }
          case "getChars" -> {
            if (args.length == 4) return;
          }
          case "indexOf", "lastIndexOf" -> {
            if (args.length >= 1 && args.length <= 2 && TypeUtils.isJavaLangString(args[0].getType())) return;
          }
          case "isEmpty" -> {
            String sign = "==";
            PsiExpression negation = BoolUtils.findNegation(call);
            PsiElement toReplace = call;
            if (negation != null) {
              sign = ">";
              toReplace = negation;
            }
            PsiElementFactory factory = JavaPsiFacade.getElementFactory(variable.getProject());
            PsiExpression emptyCheck = factory.createExpressionFromText(variable.getName() + ".length()" + sign + "0", call);
            PsiElement callParent = toReplace.getParent();
            if (callParent instanceof PsiExpression &&
                ParenthesesUtils.areParenthesesNeeded(emptyCheck, (PsiExpression)callParent, true)) {
              emptyCheck = factory.createExpressionFromText("(" + emptyCheck.getText() + ")", call);
            }
            ct.replace(toReplace, emptyCheck);
            return;
          }
          default -> {
          }
        }
      }
      PsiExpression qualifier = Objects.requireNonNull(call.getMethodExpression().getQualifierExpression());
      ct.replace(qualifier, variable.getName() + ".toString()");
    }
private static void replaceInCallQualifier(PsiVariable variable, PsiMethodCallExpression call, CommentTracker ct)