85         let request: IDBRequest<any>;
88           request = index.getAll(query);
90           request = objectStore.getAll(query);
92         request.onsuccess = function (event) {
96         request.onerror = (event) => {
106         const request = objectStore.add(value, key);  constant
107         request.onsuccess = function (event) {
111         request.onerror = (event) => {
121         const request = objectStore['delete'](query);  constant
122         request.onsuccess = function (event) {
126         request.onerror = (event) => {
136         const request = objectStore.put(value, key);  constant
137         request.onsuccess = function (event) {
141         request.onerror = (event) => {