code: private void createProperties(ClassName vueFactoryType, Builder vueFactoryBuilder) {
      vueFactoryBuilder.addField(FieldSpec
          .builder(vueFactoryType, INSTANCE_PROP, Modifier.PRIVATE, Modifier.STATIC)
          .build());
    }
docs: Create the static properties used in our {@link VueComponentFactory}.
  
  @param vueFactoryType The generated type name for our {@link VueComponentFactory}
  @param vueFactoryBuilder The builder to create our {@link VueComponentFactory} class