/**
 * A small, fast subset of semver: strict `MAJOR.MINOR.PATCH` parsing and
 * triple-wise comparison helpers.
 *
 * This module exists because the full `semver` package is slow to load and is
 * overkill for the many call sites in Hardhat that compare against hard-coded
 * `x.y.z` literals. For range grammar (caret/tilde, disjunctions, prerelease
 * subset, etc.) keep using `semver`.
 */
export type SemverVersion = [major: number, minor: number, patch: number];
/**
 * Parses a strict `MAJOR.MINOR.PATCH` version string into a `SemverVersion`
 * tuple.
 *
 * An optional `+build` suffix is accepted and stripped silently. A
 * `-prerelease` suffix is rejected.
 *
 * @param version The version string to parse.
 * @returns The parsed `SemverVersion`, or `undefined` if the input does not
 * match the strict `\d+\.\d+\.\d+` shape.
 */
export declare function parseVersion(version: string): SemverVersion | undefined;
/**
 * `Array#sort`-style comparator for `SemverVersion` tuples: returns a negative
 * number, zero, or a positive number depending on whether `a` is lower than,
 * equal to, or greater than `b`.
 */
export declare function compare(a: SemverVersion, b: SemverVersion): number;
/**
 * Returns `true` if `a` and `b` represent the same `MAJOR.MINOR.PATCH`.
 */
export declare function equals(a: SemverVersion, b: SemverVersion): boolean;
/**
 * Returns `true` if `compared` is strictly lower than `comparator`.
 */
export declare function lowerThan(compared: SemverVersion, comparator: SemverVersion): boolean;
/**
 * Returns `true` if `compared` is lower than or equal to `comparator`.
 */
export declare function lowerThanOrEqual(compared: SemverVersion, comparator: SemverVersion): boolean;
/**
 * Returns `true` if `compared` is strictly greater than `comparator`.
 */
export declare function greaterThan(compared: SemverVersion, comparator: SemverVersion): boolean;
/**
 * Returns `true` if `compared` is greater than or equal to `comparator`.
 */
export declare function greaterThanOrEqual(compared: SemverVersion, comparator: SemverVersion): boolean;
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