必需文件
- active_support/concern
- active_support/descendants_tracker
- active_support/core_ext/array/extract_options
- active_support/core_ext/class/attribute
- active_support/core_ext/string/filters
- active_support/core_ext/object/blank
命名空间
- 模块 ActiveSupport
- 模块 ActiveSupport::Callbacks
- 模块 ActiveSupport::Callbacks::CallTemplate
- 模块 ActiveSupport::Callbacks::ClassMethods
- 模块 ActiveSupport::Callbacks::Conditionals
- 模块 ActiveSupport::Callbacks::Filters
- 类 ActiveSupport::Callbacks::CallTemplate::InstanceExec0
- 类 ActiveSupport::Callbacks::CallTemplate::InstanceExec1
- 类 ActiveSupport::Callbacks::CallTemplate::InstanceExec2
- 类 ActiveSupport::Callbacks::CallTemplate::MethodCall
- 类 ActiveSupport::Callbacks::CallTemplate::ObjectCall
- 类 ActiveSupport::Callbacks::CallTemplate::ProcCall
- 类 ActiveSupport::Callbacks::Conditionals::Value
- 类 ActiveSupport::Callbacks::Filters::After
- 类 ActiveSupport::Callbacks::Filters::Around
- 类 ActiveSupport::Callbacks::Filters::Before