import type { IOnUpdateCallback } from './helper';
import { NetworkRequestItem } from './requestItem';
export declare class XHRProxyHandler<T extends XMLHttpRequest> implements ProxyHandler<T> {
    XMLReq: XMLHttpRequest;
    item: NetworkRequestItem;
    protected onUpdateCallback: IOnUpdateCallback;
    constructor(XMLReq: XMLHttpRequest, onUpdateCallback: IOnUpdateCallback);
    get(target: T, key: string): any;
    set(target: T, key: string, value: any): boolean;
    onReadyStateChange(): void;
    onAbort(): void;
    onTimeout(): void;
    protected triggerUpdate(): void;
    protected getOpen(target: T): (...args: Array<any>) => any;
    protected getSend(target: T): (...args: Array<any>) => any;
    protected getSetRequestHeader(target: T): (...args: Array<any>) => any;
    protected setOnReadyStateChange(target: T, key: string, value: any): boolean;
    protected setOnAbort(target: T, key: string, value: any): boolean;
    protected setOnTimeout(target: T, key: string, value: any): boolean;
    /**
     * Update item's properties according to readyState.
     */
    protected updateItemByReadyState(): void;
}
export declare class XHRProxy {
    static origXMLHttpRequest: {
        new (): XMLHttpRequest;
        prototype: XMLHttpRequest;
        readonly DONE: number;
        readonly HEADERS_RECEIVED: number;
        readonly LOADING: number;
        readonly OPENED: number;
        readonly UNSENT: number;
    };
    static create(onUpdateCallback: IOnUpdateCallback): {
        new (): XMLHttpRequest;
        prototype: XMLHttpRequest;
        readonly DONE: number;
        readonly HEADERS_RECEIVED: number;
        readonly LOADING: number;
        readonly OPENED: number;
        readonly UNSENT: number;
    };
}