{"ast_node_type":"variable","tokens":[{"end":48,"kind":"keyword","start":0,"text":"&&"}]}
                    && let Some(generics_impl) =
                    && let gat_hir_id = tcx.local_def_id_to_hir_id(placeholder_id)
                        tcx.parent_hir_node(tcx.parent_hir_id(gat_hir_id)).generics()