type ItemComparer<Item> = (a: Item, b: Item) => boolean;
/**
 * Shallow-ish array equality that checks length then each element. The
 * comparer defaults to reference equality, so scalar arrays compare by value
 * while object arrays compare by identity unless a custom comparer is
 * supplied.
 */
export declare function areArraysEqual<Item>(array1: ReadonlyArray<Item>, array2: ReadonlyArray<Item>, itemComparer?: ItemComparer<Item>): boolean;
export {};
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