module ActionController
module ActionController::Serialization
module ActionController::Serialization::ClassMethods
module ActiveModel
module ActiveModel::ArraySerializerSupport
module ActiveModel::Serializer::Associations
module ActiveModel::SerializerSupport
module ActiveModel::SerializerSupport::ClassMethods
module Rails
module Rails::Generators
class ActiveModel::ArraySerializer
class ActiveModel::Railtie
class ActiveModel::Serializer
class ActiveModel::Serializer::Associations::Config
class ActiveModel::Serializer::Associations::HasMany
class ActiveModel::Serializer::Associations::HasOne
class ActiveModel::Serializer::IncludeError
class Rails::Generators::SerializerGenerator
active_model_serializers
0.7.0
# polymorphic_key
def polymorphic_key associated_object.class.to_s.demodulize.underscore.to_sym end