{"ast_node_type":"function","tokens":[{"end":93,"kind":"keyword","start":0,"text":"pub(crate)"}]}
    pub(crate) fn dump_mir(&self, tcx: TyCtxt<'tcx>, out: &mut dyn Write) -> io::Result<()> {
    /// Write out our state into the `.mir` files.
        writeln!(out, "| Free Region Mapping")?;