/**
 * Interface representing the parsed components of a Semantic Versioning string.
 */
export interface SemVer {
    $tag: "semver";
    major: number;
    minor: number;
    patch: number;
    prerelease: string[] | null;
    buildmetadata: string[] | null;
    toString(): string;
}
/**
 * Parses a Semantic Versioning string into its components.
 *
 * @param str The SemVer string to parse (e.g., "1.2.3", "2.0.0-alpha.1", "3.1.0+build.123").
 * @returns An object containing the parsed major, minor, patch, prerelease, and build metadata components.
 * @throws {Error} If the input string is not a valid SemVer format.
 */
export declare function SemVer(str: string): SemVer;
export declare namespace SemVer {
    /**
     * Compares two SemVer objects based on SemVer precedence rules.
     * Build metadata is ignored for precedence.
     *
     * @param a The first SemVer object.
     * @param b The second SemVer object.
     * @returns -1 if a < b, 0 if a == b, 1 if a > b.
     */
    const Compare: typeof SemVerCompare;
    /**
     * Parses a Semantic Versioning string into its components.
     *
     * @param str The SemVer string to parse (e.g., "1.2.3", "2.0.0-alpha.1", "3.1.0+build.123").
     * @returns An object containing the parsed major, minor, patch, prerelease, and build metadata components.
     */
    const Parse: (str: string) => import("./result.js").Failure<unknown> | import("./result.js").Success<SemVer>;
    const Is: (v: unknown) => v is SemVer;
}
export declare function SemVerCompare(a: SemVer, b: SemVer): number;