okhttp3.Callback -> gf0:
# {"id":"sourceFile","fileName":"Callback.kt"}
    void onResponse(okhttp3.Call,okhttp3.Response) -> e
      # {"id":"com.android.tools.r8.residualsignature","signature":"(Lwm5;Ld16;)V"}
    void onFailure(okhttp3.Call,java.io.IOException) -> i
      # {"id":"com.android.tools.r8.residualsignature","signature":"(Lwm5;Ljava/io/IOException;)V"}
