parameters: (self, cb)
docstring: Set callback for datasource probing
  
          :param cb: Callback function, taking seqno, source definition, option map
  
          :return: None
docstring_summary: Set callback for datasource probing
docstring_tokens: Set callback for datasource probing
function: def set_probesource_cb(self, cb):
          """
          Set callback for datasource probing
  
          :param cb: Callback function, taking seqno, source definition, option map
  
          :return: None
          """
          self.probesource = cb
function_tokens: def set_probesource_cb ( self , cb ) : self . probesource = cb