private static ProblemDescriptor convertToDescriptor(@NotNull PsiFile file,
                                                       @NotNull HighlightSeverity severity,
                                                       int startOffset,
                                                       int endOffset,
                                                       @NotNull @InspectionMessage String message,
                                                       boolean isAfterEndOfLine,
                                                       @NotNull LocalQuickFix @NotNull [] quickFixes) {
    if (severity == HighlightSeverity.INFORMATION ||
        startOffset == endOffset && !isAfterEndOfLine) {
      return null;
    }

    final PsiElement startElement;
    final PsiElement endElement;
    if (startOffset == endOffset) {
      startElement = endElement = file.findElementAt(endOffset - 1);
    }
    else {
      startElement = file.findElementAt(startOffset);
      endElement = file.findElementAt(endOffset - 1);
    }
    if (startElement == null || endElement == null) {
      return null;
    }
    final TextRange rangeInElement = getRangeInElement(startElement, startOffset, endElement, endOffset);

    ProblemHighlightType highlightType = HighlightInfo.convertSeverityToProblemHighlight(severity);
    return new ProblemDescriptorBase(startElement,
                                     endElement,
                                     message,
                                     quickFixes,
                                     highlightType,
                                     isAfterEndOfLine,
                                     rangeInElement,
                                     true,
                                     false);
  }
private static ProblemDescriptor convertToDescriptor(@NotNull PsiFile file,
                                                       @NotNull HighlightSeverity severity,
                                                       int startOffset,
                                                       int endOffset,
                                                       @NotNull @InspectionMessage String message,
                                                       boolean isAfterEndOfLine,
                                                       @NotNull LocalQuickFix @NotNull [] quickFixes)