a #TpSimpleApprover instance
a #TpAccount having %TP_ACCOUNT_FEATURE_CORE prepared if possible
a #TpConnection having %TP_CONNECTION_FEATURE_CORE prepared if possible
a #GList of #TpChannel, all having %TP_CHANNEL_FEATURE_CORE prepared
a #TpChannelDispatchOperation or %NULL; the dispatch_operation is not guaranteed to be prepared
a #TpAddDispatchOperationContext representing the context of this D-Bus call
Signature of the implementation of the AddDispatchOperation method.
This function must call either tp_add_dispatch_operation_context_accept(), tp_add_dispatch_operation_context_delay() or tp_add_dispatch_operation_context_fail() on
contextbefore it returns.