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export default function compareVersion(    version1: string,    version2: string,): number {    const a = version1.split(".").map(Number);
    const b = version2.split(".").map(Number);
    for (let i = 0; i < Math.max(a.length, b.length); i++) {        const q = a[i] ?? 0;
        const w = b[i] ?? 0;
        if (q > w) return 1;        if (q < w) return -1;    }    return 0;}