docs: private MethodCode getGetDescriptorMethodCode() {
          String descriptorClsName = ClassHelper.getInternalName(Descriptor.class.getCanonicalName());
  
          MethodCode mc = new MethodCode();
          mc.setName("getDescriptor");
          mc.setReturnType(descriptorClsName);
          mc.setScope(ClassCode.SCOPE_PUBLIC);
          mc.addException("IOException");
  
          String methodSource = CodeTemplate.descriptorMethodSource(cls);
  
          mc.appendLineCode0(methodSource);
          return mc;
      }