ConcurrencyKind

并发地同时处理多个事件, 但无法保证 Listener.onEvent 返回 ListeningStatus.STOPPED 后立即停止事件监听.

使用 Mutex 保证同一时刻只处理一个事件.

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.