@Contract(pure = true)
      private @NotNull Set<@NotNull PsiElement> getExceptionInducers(final @NotNull PsiType exceptionType) {
        return exceptionToInducers.getOrDefault(exceptionType, Collections.emptySet());
      }
@Contract(pure = true)
      private @NotNull Set<@NotNull PsiElement> getExceptionInducers(final @NotNull PsiType exceptionType)