module ActiveModel::Type::Helpers::AcceptsMultiparameterTime::InstanceMethods

def assert_valid_value(value)
  if value.is_a?(Hash)
    value_from_multiparameter_assignment(value)
  else
    super(value)
  end
end

def cast(value)
  if value.is_a?(Hash)
    value_from_multiparameter_assignment(value)
  else
    super(value)
  end
end

def serialize(value)
  serialize_cast_value(cast(value))
end

def serialize_cast_value(value)
  value
end

def value_constructed_by_mass_assignment?(value)
  value.is_a?(Hash)
end