1| Change Type | Old Version | New Version | d.ts File | 2| ---- | ------ | ------ | -------- | 3|Added|NA|Class name: DriverExtensionAbility;<br>Method or attribute name: context: DriverExtensionContext;|@ohos.app.ability.DriverExtensionAbility.d.ts| 4|Added|NA|Class name: DriverExtensionAbility;<br>Method or attribute name: onInit(want: Want): void;|@ohos.app.ability.DriverExtensionAbility.d.ts| 5|Added|NA|Class name: DriverExtensionAbility;<br>Method or attribute name: onRelease(): void;|@ohos.app.ability.DriverExtensionAbility.d.ts| 6|Added|NA|Class name: DriverExtensionAbility;<br>Method or attribute name: onConnect(want: Want): rpc.RemoteObject \| Promise\<rpc.RemoteObject>;|@ohos.app.ability.DriverExtensionAbility.d.ts| 7|Added|NA|Class name: DriverExtensionAbility;<br>Method or attribute name: onDisconnect(want: Want): void \| Promise\<void>;|@ohos.app.ability.DriverExtensionAbility.d.ts| 8|Added|NA|Class name: DriverExtensionAbility;<br>Method or attribute name: onDump(params: Array\<string>): Array\<string>;|@ohos.app.ability.DriverExtensionAbility.d.ts| 9|Added|NA|Class name: deviceManager;<br>Method or attribute name: function queryDevices(busType?: number): Array\<Readonly\<Device>>;|@ohos.driver.deviceManager.d.ts| 10|Added|NA|Class name: deviceManager;<br>Method or attribute name: function bindDevice(deviceId: number, onDisconnect: AsyncCallback\<number>,<br><br> callback: AsyncCallback\<{deviceId: number, remote: rpc.IRemoteObject}>): void;|@ohos.driver.deviceManager.d.ts| 11|Added|NA|Class name: deviceManager;<br>Method or attribute name: function bindDevice(deviceId: number, onDisconnect: AsyncCallback\<number>): Promise\<{deviceId: number,<br><br> remote: rpc.IRemoteObject}>;|@ohos.driver.deviceManager.d.ts| 12|Added|NA|Class name: deviceManager;<br>Method or attribute name: function unbindDevice(deviceId: number, callback: AsyncCallback\<number>): void;|@ohos.driver.deviceManager.d.ts| 13|Added|NA|Class name: deviceManager;<br>Method or attribute name: function unbindDevice(deviceId: number): Promise\<number>;|@ohos.driver.deviceManager.d.ts| 14|Added|NA|Class name: BusType;<br>Method or attribute name: USB = 1|@ohos.driver.deviceManager.d.ts| 15|Added|NA|Class name: Device;<br>Method or attribute name: busType: BusType;|@ohos.driver.deviceManager.d.ts| 16|Added|NA|Class name: Device;<br>Method or attribute name: deviceId: number;|@ohos.driver.deviceManager.d.ts| 17|Added|NA|Class name: Device;<br>Method or attribute name: description: string;|@ohos.driver.deviceManager.d.ts| 18|Added|NA|Class name: USBDevice;<br>Method or attribute name: vendorId: number;|@ohos.driver.deviceManager.d.ts| 19|Added|NA|Class name: USBDevice;<br>Method or attribute name: productId: number;|@ohos.driver.deviceManager.d.ts| 20|Added|NA|Class name: DriverExtensionContext;<br>Method or attribute name: updateDriverState(): void;|DriverExtensionContext.d.ts| 21