BlockEvent

Represents a block related event.

代表与方块有关的事件。

译注：该事件未实现 getHandlers() 和 getHandlerList() 方法，无法直接监听。

Gets the block involved in this event.

@return The Block which block is involved in this event

该方法用于获取涉事方块。

@return 涉事方块。