/*!
 * Copyright (c) Microsoft Corporation and contributors. All rights reserved.
 * Licensed under the MIT License.
 */
/**
 * Compare two arrays.  Returns true if their elements are equivalent and in the same order.
 *
 * @legacy @beta
 *
 * @param left - The first array to compare
 * @param right - The second array to compare
 * @param comparator - The function used to check if two `T`s are equivalent.
 * Defaults to `Object.is()` equality (a shallow compare where NaN = NaN and -0 ≠ 0)
 */
export declare const compareArrays: <T>(left: readonly T[], right: readonly T[], comparator?: (leftItem: T, rightItem: T, index: number) => boolean) => boolean;
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