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1/**
2 * @license
3 * Copyright Google LLC All Rights Reserved.
4 *
5 * Use of this source code is governed by an MIT-style license that can be
6 * found in the LICENSE file at https://angular.io/license
7 */
8/**
9 * Converts a `string` version into an array of numbers
10 * @example
11 * toNumbers('2.0.1'); // returns [2, 0, 1]
12 */
13export declare function toNumbers(value: string): number[];
14/**
15 * Compares two arrays of positive numbers with lexicographical order in mind.
16 *
17 * However - unlike lexicographical order - for arrays of different length we consider:
18 * [1, 2, 3] = [1, 2, 3, 0] instead of [1, 2, 3] < [1, 2, 3, 0]
19 *
20 * @param a The 'left hand' array in the comparison test
21 * @param b The 'right hand' in the comparison test
22 * @returns {-1|0|1} The comparison result: 1 if a is greater, -1 if b is greater, 0 is the two
23 * arrays are equals
24 */
25export declare function compareNumbers(a: number[], b: number[]): -1 | 0 | 1;
26/**
27 * Checks if a TypeScript version is:
28 * - greater or equal than the provided `low` version,
29 * - lower or equal than an optional `high` version.
30 *
31 * @param version The TypeScript version
32 * @param low The minimum version
33 * @param high The maximum version
34 */
35export declare function isVersionBetween(version: string, low: string, high?: string): boolean;
36/**
37 * Compares two versions
38 *
39 * @param v1 The 'left hand' version in the comparison test
40 * @param v2 The 'right hand' version in the comparison test
41 * @returns {-1|0|1} The comparison result: 1 if v1 is greater, -1 if v2 is greater, 0 is the two
42 * versions are equals
43 */
44export declare function compareVersions(v1: string, v2: string): -1 | 0 | 1;