import { Diff } from '../Diff';
declare const booleanDiffSymbol: unique symbol;
declare const booleanDiff: (parameters: Omit<BooleanDiff, 'kind'>) => BooleanDiff;
interface BooleanDiff extends Diff {
    kind: typeof booleanDiffSymbol;
    cost: number;
    actual?: boolean;
    expected?: boolean;
}
declare const isBooleanDiff: (diff: any) => diff is BooleanDiff;
export type { BooleanDiff };
export { booleanDiff, isBooleanDiff };