import { Validatable } from '../validatable.js';
import { DurationConfiguration } from '../configurationDuration.js';
/**
 *
 */
export declare class FilterMaintenanceConfiguration implements Validatable {
    static readonly DAYS_MAX_VALUE: number;
    lifespan: DurationConfiguration;
    private errorFields;
    readonly fieldNames: { [P in keyof this]?: P | undefined; };
    isValid(prefix: string): [boolean, string[]];
}