/**
 * Module to patch fetch request.
 */
import { MockRequestOverrides } from '../protocol';
export declare class RequestPatcher {
    private req;
    private overrides;
    private params;
    private url;
    private headers;
    private body?;
    constructor(req: Request, overrides: MockRequestOverrides, params?: Record<string, string>);
    patch(): Promise<Request>;
    private patchUrl;
    private patchQuery;
    private patchHeaders;
    private patchBody;
    private setBodyAsString;
    private buildRequest;
}
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