//! Native filter registry — historically held git/docker/ls compiled in
//! Rust. Those are now bundled `.lf` plugins (see `crates/lowfat-plugin/src/
//! embedded.rs`), so this returns an empty map. The function is kept as the
//! single hook for any future Rust-coded coreutils filters; current call
//! sites pass through it unchanged.
use FilterPlugin;
use HashMap;