boolean requestWidgetToken(IWidgetTokenKeeper requester, int priority)
trueif the token has been acquired or is already owned by the requester. This method is non-blocking.
priority is forwarded to any existing token keeper
to give it an estimate on whether the request has higher priority than
the current keeper's. There is, however, no guarantee that another keeper
will release the token even if it has a high priority.
requester- the token requester
priority- the priority of the request
trueif requester acquires the token,
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