export declare class Version {
    readonly major: number;
    readonly minor: number;
    static parse(input?: string): Version | null;
    static from(input: string | [number, number] | Version): Version | null;
    static canon(major: number, minor: number): Version;
    private constructor();
    get series(): string;
    toString(): string;
    equals(other?: Version): boolean;
    satisfies(required?: Version): boolean;
    private static VERSION_RE;
}
export default Version;
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