export declare class Version {
    readonly major: number;
    readonly minor: number;
    readonly patch: number;
    readonly label: string;
    constructor(major: number, minor?: number, patch?: number, label?: string);
    toString(): string;
    toJSON(): string;
    [Symbol.toPrimitive](hint?: "number" | "string" | "default"): string | number;
    valueOf(): number;
}