return delegateSchema == null ? Collections.<Wrapper<Method>, WeaklyTypeReferencingMethod<?, ?>>emptyMap() : indexBySignature(delegateSchema.getAllMethods());
    }

    private static <T> Map<Wrapper<Method>, WeaklyTypeReferencingMethod<?, ?>> collectPublicViewImplMethods(StructSchema<T> publicSchema) {
        return indexBySignature(
            Sets.filter(
                publicSchema.getAllMethods(),