invoke

operator fun <FromKey, FromValue, ToKey, ToValue> MapperRepo.Companion.invoke(    keyFromToTo: suspend FromKey.() -> ToKey,     valueFromToTo: suspend FromValue.() -> ToValue,     keyToToFrom: suspend ToKey.() -> FromKey,     valueToToFrom: suspend ToValue.() -> FromValue): SimpleMapperRepo<FromKey, FromValue, ToKey, ToValue>