OutputType

普通输出，累加给用户看。

错误输出，通常以红色给用户看。

状态输出，新状态覆盖旧状态，用户持续看到最新的状态，不会看到旧的。

Returns a representation of an immutable list of all enum entries, in the order they're declared.

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Returns an array containing the constants of this enum type, in the order they're declared.