{"ast_node_type":"other","tokens":[{"end":59,"kind":"keyword","start":0,"text":"///"}]}
    /// Numeric inference variables may be left unresolved.
    /// If no resolution is possible, then an error is reported.
    pub(crate) fn structurally_resolve_type(&self, sp: Span, ty: Ty<'tcx>) -> Ty<'tcx> {