import { Response } from 'node-fetch';
export declare function assertIsResponse(resp: unknown, { expectation, isNot }: {
    expectation: string;
    isNot: boolean;
}): void;
export declare function assertIsSaddleUp(maybeSaddle: unknown, { expectation, isNot }: {
    expectation: string;
    isNot: boolean;
}): void;
export declare function stringResponse(resp: Response, parsedBody?: string): string;
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