4.0.0 async-http-client-extras-parent org.asynchttpclient 2.1.0 async-http-client-extras-retrofit2 Asynchronous Http Client Retrofit2 Extras The Async Http Client Retrofit2 Extras. 2.3.0 1.16.18 org.projectlombok lombok ${lombok.version} provided com.squareup.retrofit2 retrofit ${retrofit2.version} com.squareup.retrofit2 converter-scalars ${retrofit2.version} test com.squareup.retrofit2 converter-jackson ${retrofit2.version} test com.squareup.retrofit2 adapter-rxjava ${retrofit2.version} test com.squareup.retrofit2 adapter-rxjava2 ${retrofit2.version} test