feat2.config
インタフェース 
DIComponentConfig
FileLocator
ValidatableComponentConfig
クラス 
ActionConfigBase
BasicFileLocator
BeanConfig
ClassLoaderFileLocator
CommandConfig
Config
ConfigError
ConfigReader
ConfigUtil
DataConfig
EffectConfig
ExceptionConfig
FeatConfig
FeatureConfig
FeatureRootConfig
FetchConfig
ForwardConfig
InputConfigBase
InputLiteralConfig
InputObjectConfig
InputParamConfig
InputResourceConfig
InputSupport
InterceptConfig
OutputConfig
PageConfig
RedirectConfig
Resources
ResponseConfigBase
ServletFileLocator
URLFileLocator
ValidationConfig
ValidationSupport
ViewConfig
例外 
ConfigurationException