code: public ModifierAdjustment withInvokableModifiers(ElementMatcher<? super MethodDescription> matcher,
                                                       List<? extends ModifierContributor.ForMethod> modifierContributors) {
          return new ModifierAdjustment(typeAdjustments, fieldAdjustments, CompoundList.of(new Adjustment<MethodDescription>(matcher,
                  ModifierContributor.Resolver.of(modifierContributors)), methodAdjustments));
      }
docs: Adjusts a method's or constructor's modifiers if it fulfills the supplied matcher.
  
  @param matcher              The matcher that determines if a method's or constructor's modifiers should be adjusted.
  @param modifierContributors The modifier contributors to enforce.
  @return A new modifier adjustment that enforces the given modifier contributors and any previous adjustments.