CreateOutputHandlerArgument will create an output handler argument.

NewOutputHandler will create a new output handler able to write data on disk.

ErrNilFileHandler signals that the provided file handler is nil.

ErrNilPubKeyConverter signals that a nil pub key converter was provided.

ErrNilShardCoordinator signals that a nil shard coordinator was provided.

ArgOutputHandler represents the output handler constructor argument.

FileHandler describes the file handling capabilities.