// SPDX-License-Identifier: MIT
// For subclass of [`AlsaFirewire`][crate::AlsaFirewire].
// For subclass of [`EfwProtocol`][crate::EfwProtocol].
// For subclass of [`MotuCommandDsp`][crate::MotuCommandDsp].
// For subclass of [`MotuRegisterDsp`][crate::MotuRegisterDsp].
// For subclass of [`QuadletNotification`][crate::QuadletNotification].
// For subclass of [`TascamProtocol`][crate::TascamProtocol].
// For subclass of [`TimestampedQuadletNotification`][crate::TimestampedQuadletNotification].
/// For convenience to provide traits and their blanket implementations to write subclass.
use ;