228.4: flog total
     7.1: flog/method average

    52.6: MethodGenerator#generate_methods
    14.9: AttributeBuilder#validate!
    14.6: AttributeBuilder#initialize
    13.1: ClassMethods#random_string
    12.2: main#none
    10.0: AttributeBuilder#find_active_record_class
     8.8: AttributeBuilder#none
     8.5: AttributeBuilder#check_valid_keys
     8.4: AttributeBuilder#instantiate