1| Change Type | Old Version | New Version | d.ts File | 2| ---- | ------ | ------ | -------- | 3|Added|NA|Class name: agent;<br>Method or attribute name: function search(callback: AsyncCallback\<Array\<string>>): void;|@ohos.request.d.ts| 4|Type changed|Class name: Config;<br>Method or attribute name: data?: string \| Array\<FormItem>;<br>Old version information: ?string \| Array\<FormItem>|Class name: Config;<br>Method or attribute name: data?: string \| Array\<FormItem>;<br>New version information: ?(string \| Array\<FormItem>)|@ohos.request.d.ts| 5|Type changed|Class name: TaskInfo;<br>Method or attribute name: readonly data?: string \| Array\<FormItem>;<br>Old version information: ?string \| Array\<FormItem>|Class name: TaskInfo;<br>Method or attribute name: readonly data?: string \| Array\<FormItem>;<br>New version information: ?(string \| Array\<FormItem>)|@ohos.request.d.ts| 6|Function changed|Class name: agent;<br>Method or attribute name: function search(filter: Filter): Promise\<Array\<string>>;|Class name: agent;<br>Method or attribute name: function search(filter?: Filter): Promise\<Array\<string>>;|@ohos.request.d.ts| 7