export interface FakeXHR {
    listeners: Record<string, Array<() => void>>;
    method: string;
    url: string;
    sentBody: unknown;
    requestHeaders: Record<string, string>;
    responseType: string;
    responseText: string;
    response: unknown;
    responseURL: string;
    status: number;
    statusText: string;
    readyState: number;
    rawResponseHeaders: string;
    openCalled: number;
    sendCalled: number;
    onload?: (() => void) | null;
    open(method: string, url: string): void;
    setRequestHeader(name: string, value: string): void;
    send(body?: unknown): void;
    addEventListener(type: string, fn: () => void): void;
    getAllResponseHeaders(): string;
    emit(type: string): void;
}
export interface MockHarness {
    sandbox: Record<string, unknown>;
    flush: () => void;
    events: () => Array<Record<string, unknown>>;
    newXhr: () => FakeXHR;
    lastXhr: () => FakeXHR;
    push: (rules: unknown[]) => void;
    reinject: () => void;
}
export declare function runWithMocks(rules: unknown[]): MockHarness;
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