/**
 * Compare two semver versions (handles prerelease versions)
 * Returns: -1 if a < b, 0 if a == b, 1 if a > b
 *
 * Semver rules:
 * - 0.3.0-beta.1 < 0.3.0 (prerelease is less than release)
 * - 0.3.0-alpha < 0.3.0-beta (alphabetically)
 * - 0.3.0-beta.1 < 0.3.0-beta.2 (numerically)
 * - 0.3.0-beta.16 < 0.3.0-rc.0 (alphabetically: "beta" < "rc")
 */
export declare function compareVersions(a: string, b: string): number;
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