Required files
factory_girl/proxy
factory_girl/proxy/build
factory_girl/proxy/create
factory_girl/proxy/attributes_for
factory_girl/proxy/stub
factory_girl/factory
factory_girl/attribute
factory_girl/attribute/static
factory_girl/attribute/dynamic
factory_girl/attribute/association
factory_girl/attribute/callback
factory_girl/sequence
factory_girl/aliases
factory_girl/rails2