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The instances of asynrole.manager class have the following methods:
Attempt to send request data item req (string) to remote server by either dst address (given in socket module notation), if specified, or default destination whenever given on asynrole.manager class instaniation.
The callback function, as specified on manager class instanitation, will be invoked on response arrival or error.
Objects of asynrole.manager class have no public instance variables.