-// Rest-api
-PUBLIC json_object* pingSample (AFB_plugin *plugin, AFB_session *session, AFB_request *post);
-PUBLIC const char* getQueryValue (AFB_request * request, char *name);
-PUBLIC AFB_plugin *afsvRegister (AFB_session *session);
-PUBLIC int doRestApi(struct MHD_Connection *connection, AFB_session *session, const char *method, const char* url);
+// helper-api
+extern const char* getQueryValue (const AFB_request * request, const char *name);
+extern int getQueryAll(AFB_request * request, char *query, size_t len);
+extern AFB_PostHandle* getPostHandle (AFB_request *request);
+extern json_object* getPostFile (AFB_request *request, AFB_PostItem *item, char* destination) ;
+extern AFB_PostCtx* getPostContext (AFB_request *request);
+extern char* getPostPath (AFB_request *request);
+
+extern json_object *jsonNewMessage (AFB_error level, char* format, ...);
+extern json_object *jsonNewStatus (AFB_error level);
+extern json_object *jsonNewjtype (void);
+extern json_object *jsonNewMessage (AFB_error level, char* format, ...);
+extern void jsonDumpObject (json_object * jObject);
+
+// rest-api
+extern void endPostRequest(AFB_PostHandle *posthandle);
+extern int doRestApi(struct MHD_Connection *connection, AFB_session *session, const char* url, const char *method
+ , const char *upload_data, size_t *upload_data_size, void **con_cls);