import type { SortDirection } from './types';
export type SemverInput = string | Semver;
export type SemverInputNullable = SemverInput | null | undefined;
export type SemverTokens = [major: number, minor: number, patch: number];
/**
 * Simple Semver implementation.
 *
 * Suitable for Browser usage, unlike npm `semver` which is Node-targeted and simply too big for the Browser.
 *
 * Parsing algorithm is simple:
 * 1. Split by `.`
 * 2. parseInt each of 3 tokens, set to 0 if falsy
 *
 * toString returns `major.minor.patch`
 * Missing tokens are replaced with 0.
 *
 * _semver('1').toString() === '1.0.0'
 *
 * @experimental
 */
export declare class Semver {
    tokens: SemverTokens;
    constructor(tokens: SemverTokens);
    get major(): number;
    get minor(): number;
    get patch(): number;
    isAfter: (other: SemverInput) => boolean;
    isSameOrAfter: (other: SemverInput) => boolean;
    isBefore: (other: SemverInput) => boolean;
    isSameOrBefore: (other: SemverInput) => boolean;
    isSame: (other: SemverInput) => boolean;
    /**
     * Returns 1 if this > other
     * returns 0 if they are equal
     * returns -1 if this < other
     */
    compare(other: SemverInput): -1 | 0 | 1;
    toJSON: () => string;
    toString(): string;
}
declare class SemverFactory {
    fromInput(input: SemverInput): Semver;
    fromInputOrUndefined(input: SemverInputNullable): Semver | undefined;
    /**
     * Returns the highest (max) Semver from the array, or undefined if the array is empty.
     */
    maxOrUndefined(items: SemverInputNullable[]): Semver | undefined;
    /**
     * Returns the highest Semver from the array.
     * Throws if the array is empty.
     */
    max(items: SemverInputNullable[]): Semver;
    /**
     * Returns the lowest (min) Semver from the array, or undefined if the array is empty.
     */
    minOrUndefined(items: SemverInputNullable[]): Semver | undefined;
    /**
     * Returns the lowest Semver from the array.
     * Throws if the array is empty.
     */
    min(items: SemverInputNullable[]): Semver;
    /**
     * Sorts an array of Semvers in `dir` order (ascending by default).
     */
    sort(items: Semver[], dir?: SortDirection, mutate?: boolean): Semver[];
}
interface SemverFn extends SemverFactory {
    (input: SemverInput): Semver;
}
export declare const semver2: SemverFn;
/**
 * Returns 1 if a > b
 * returns 0 if they are equal
 * returns -1 if a < b
 *
 * Quick&dirty implementation, which should suffice for 95% of the cases.
 *
 * Credit: https://stackoverflow.com/a/47159772/4919972
 */
export declare function _quickSemverCompare(a: string, b: string): -1 | 0 | 1;
export {};