import semver from 'semver';
import { SingleRange, SingleVer } from './single-range';
export declare function normalizeSingleRangeList(singleRangeList: readonly (SingleVer | SingleRange | null)[]): readonly (SingleVer | SingleRange | null)[];
export declare class MultiRange {
    set: readonly (SingleVer | SingleRange)[];
    readonly valid: boolean;
    constructor(rangeList: (readonly (SingleVer | SingleRange | null | (readonly semver.Comparator[]))[]) | null);
    toString(): string;
    intersect(multiRange: MultiRange): MultiRange;
}
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