
If the service is disposed when we make calls on it, we need to bubble up an exception that is understood by the callers. This is another speculative fix for https://github.com/flutter/flutter/issues/149238.
If the service is disposed when we make calls on it, we need to bubble up an exception that is understood by the callers. This is another speculative fix for https://github.com/flutter/flutter/issues/149238.