org.asynchttpclient async-http-client-project 2.12.4 4.0.0 async-http-client-extras-parent Asynchronous Http Client Extras Parent pom The Async Http Client extras library parent. guava jdeferred registry rxjava rxjava2 simple retrofit2 typesafeconfig org.asynchttpclient async-http-client ${project.version} org.asynchttpclient async-http-client ${project.version} test tests