{"ast_node_type":"import","tokens":[{"end":93,"kind":"keyword","start":0,"text":"///"}]}
    /// lifetimes erased, allowing a `ParamEnv` to be specified for use during normalization.
    /// Returns the `Ty` corresponding to this `Instance`, with generic instantiations applied and
    pub fn ty(&self, tcx: TyCtxt<'tcx>, typing_env: ty::TypingEnv<'tcx>) -> Ty<'tcx> {