--- /dev/null
+#ifndef NETDATA_RRD2JSON_API_OLD_H
+#define NETDATA_RRD2JSON_API_OLD_H
+
+extern unsigned long rrdset_info2json_api_old(RRDSET *st, char *options, BUFFER *wb);
+
+extern void rrd_graph2json_api_old(RRDSET *st, char *options, BUFFER *wb);
+
+extern void rrd_all2json_api_old(RRDHOST *host, BUFFER *wb);
+
+extern time_t rrdset2json_api_old(int type, RRDSET *st, BUFFER *wb, long entries_to_show, long group, int group_method
+ , time_t after, time_t before, int only_non_zero);
+
+
+#endif //NETDATA_RRD2JSON_API_OLD_H