Add a lead-in to async delegates.
Add a lead-in to async delegates.

uwsampa/grappa,buaasun/grappa,buaasun/grappa,buaasun/grappa,buaasun/grappa,uwsampa/grappa,uwsampa/grappa,buaasun/grappa,uwsampa/grappa,alexfrolov/grappa,alexfrolov/grappa,alexfrolov/grappa,uwsampa/grappa,alexfrolov/grappa,alexfrolov/grappa,uwsampa/grappa,buaasun/grappa,alexfrolov/grappa,buaasun/grappa,alexfrolov/grappa,uwsampa/grappa