/**
 * @public
 */
export interface IArrayUpdate<T> {
    add: T[];
    del: T[];
    same: T[];
}
/**
 * Compare two array, returns the difference from `before` to `after`
 * @public
 */
export declare function arrayDiff<T>(_before: readonly T[], after: readonly T[]): {
    add: T[];
    del: T[];
    same: T[];
};
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