The structure will be temporarily saved to memory. The
structure will persist until the world is shut down.
表示结构将被临时保存到内存中。该结构将持续存在，直到世界被关闭。
实验性World
World:"World"
备注
The structure will be saved to the world file and persist
between world loads. A saved structure can be removed from
the world via @minecraft/server.StructureManager.delete.
Specifies how a structure should be saved.
表示如何保存结构。