{"ast_node_type":"other","tokens":[{"end":55,"kind":"keyword","start":0,"text":"opt_arg_exprs:"}]}
        opt_arg_exprs: Option<&'tcx [hir::Expr<'tcx>]>,
        adjusted_ty: Ty<'tcx>,
    ) -> Option<(Option<Adjustment<'tcx>>, MethodCallee<'tcx>)> {