/**
 * Assigns a mock to a property on an object, and returns both the mock and a method to restore it.
 */
export declare const assignMock: (original: any, property: string, value?: any) => {
    mock: any;
    restore: () => void;
};
/**
 * Runs a Diez command.
 */
export declare const diezRun: (command: string, bootstrapRoot?: string | undefined) => Promise<unknown>;
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