ProcessorType

前置类型。所有前置事件处理器会在每次触发的时候优先于 普通类型 的事件处理器进行处理， 并且所有前置处理器不会异步执行。

普通类型。所有事件处理器会在每次触发的时候按照添加顺序依次进行处理， 但是以事件为单位，整个流程可能是异步的。

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.