必需文件
- active_support/core_ext/hash/indifferent_access
- active_support/core_ext/array/wrap
- active_support/core_ext/string/filters
- active_support/core_ext/object/to_query
- active_support/deep_mergeable
- action_dispatch/http/upload
- rack/test
- stringio
- yaml
命名空间
- 模块 ActionController
- 模块 ActionController::StrongParameters
- 模块 ActiveSupport
- 类 ActionController::ExpectedParameterMissing
- 类 ActionController::InvalidParameterKey
- 类 ActionController::ParameterMissing
- 类 ActionController::Parameters
- 类 ActionController::UnfilteredParameters
- 类 ActionController::UnpermittedParameters