private void addCatchSectionType(final @NotNull PsiCatchSection catchSection, final @NotNull PsiType exception) {
        final Set<@NotNull PsiType> exceptionTypes = catchToExceptionTypes.computeIfAbsent(catchSection, k -> new LinkedHashSet<>());
        exceptionTypes.add(exception);
      }
private void addCatchSectionType(final @NotNull PsiCatchSection catchSection, final @NotNull PsiType exception)