Patch Options. with IfNone Match(String ifNoneMatch) 方法
Set an ETag value associated with the version of the resource known to the client. The operation will be performed only if the resource's current ETag on the service does not match the value specified by the client.
public PoolPatchOptions withIfNoneMatch(String ifNoneMatch)
the ifNoneMatch value to set
the PoolPatchOptions object itself.