{"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":"#[instrument(skip(self,"}]}
    #[instrument(skip(self, qcx, prev_dep_node_index, frame), level = "debug")]
    /// Try to mark a dep-node which existed in the previous compilation session as green.
    fn try_mark_previous_green<Qcx: QueryContext<Deps = D>>(