code: public static <T extends FieldDescription> ElementMatcher.Junction<T> genericFieldType(ElementMatcher<? super TypeDescription.Generic> matcher) {
          return new FieldTypeMatcher<T>(matcher);
      }
docs: Matches a field's generic type against the provided matcher.
  
  @param matcher The matcher to apply to the field's type.
  @param <T>     The type of the matched object.
  @return A matcher matching the provided field type.