{"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"///"}]}
    /// Can return `true` even if there is no provenance.
    /// Check if a constant may contain provenance information. This is used by MIR opts.
    pub fn may_have_provenance(&self, tcx: TyCtxt<'_>, size: Size) -> bool {