dependencies: com.typesafe:config, javax.inject
dependencies: com.typesafe:config, javax.inject
since 1.2.0 - use scala.collection.mutable.rnd.HashSet
dependencies: com.typesafe:config
dependencies: commons-codec
org.apache.http.client.utils.URLEncodedUtils#parse(java.net.URI, java.lang.String)
play.core.parsers.FormUrlEncodedParser