//! [`Mesh3DEncoder`] trait — [`Scene3D`]-in, bytes-out.
//!
//! Symmetric to [`Mesh3DDecoder`](crate::Mesh3DDecoder); same
//! lifecycle expectations.
use crate::;
/// Serialise a [`Scene3D`] into a 3D-format byte buffer.
///
/// `&mut self` lets the encoder hold scratch buffers or output
/// options between calls.