AppCoroutineDispatchers
constructor(io: CoroutineDispatcher = Dispatchers.IO, default: CoroutineDispatcher = Dispatchers.Default, databaseRead: CoroutineDispatcher = Dispatchers.IO.limitedParallelism(4), databaseWrite: CoroutineDispatcher = Dispatchers.IO.limitedParallelism(1), computation: CoroutineDispatcher = Dispatchers.Default, main: CoroutineDispatcher = Dispatchers.Main)