# File lib/active_record/attribute_methods.rb, line 27 def defined_activerecord_methods active_record = ActiveRecord::Base super_klass = ActiveRecord::Base.superclass methods = active_record.public_instance_methods - super_klass.public_instance_methods methods += active_record.private_instance_methods - super_klass.private_instance_methods methods += active_record.protected_instance_methods - super_klass.protected_instance_methods methods.map {|m| m.to_s }.to_set end