import { LocalSearchOptions } from '../types';
export declare const AcceptanceOperator: ({ candidateSolution, candidateFitness, currentSolution, currentFitness, options, isTie, isCostImprovement, iterations }: {
    candidateSolution: any;
    candidateFitness: number;
    currentSolution: any;
    currentFitness: number;
    options: LocalSearchOptions<any>;
    isTie?: boolean;
    isCostImprovement?: boolean;
    iterations?: number;
}) => Promise<{
    solution: any;
    fitness: number;
    iterations: number;
}>;
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