旅游修改，新接口

linwenling

2023-10-10 7581b6ba685d02fd24ea705e4695026e77198d00

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export { ajax } from '../internal/observable/dom/ajax';
export { AjaxRequest, AjaxResponse, AjaxError, AjaxTimeoutError } from '../internal/observable/dom/AjaxObservable';