ActiveModel::Type::SerializeCastValue::ClassMethods

# File activemodel/lib/active_model/type/serialize_cast_value.rb, line 9
        def serialize_cast_value_compatible?
          return @serialize_cast_value_compatible if defined?(@serialize_cast_value_compatible)
          @serialize_cast_value_compatible = ancestors.index(instance_method(:serialize_cast_value).owner) <= ancestors.index(instance_method(:serialize).owner)
        end