| job | 需要在导航网格世界之前完成的作业，可以通过任何方式修改。 |
告知导航网格世界停止任何更改，直到指定作业完成为止。
当作业处理 NavMeshQuery 操作时，导航网格数据不发生更改至关重要。因此，每次安排此类型的作业时，必须使用此方法将其 JobHandle 传递到 NavMeshWorld。否则，在 Editor 中运行项目时将抛出异常。
另请参阅：IJob、IJobParallelFor。
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