https://www.playframework.com/documentation/2.4.4/api/scala/play/api/inject/guice/GuiceableModuleConversions.html
GuiceableModuleConversions - play.api.inject.guice.GuiceableModuleConversions
GuiceableModuleConversions - play.api.inject.guice.GuiceableModuleConversions
playapiinjectguice