{"ast_node_type":"other","tokens":[{"end":38,"kind":"keyword","start":0,"text":"self.hir_node(hir_id).fn_sig()"}]}
        self.hir_node(hir_id).fn_sig()
    pub fn hir_fn_sig_by_hir_id(self, hir_id: HirId) -> Option<&'tcx FnSig<'tcx>> {
    }