/**
 * Removes trailing undefined elements from an array. Also removes trailing objects that are empty or only keys with
 * undefined values are present.
 */
export declare function removeTrailingUndefinedElements(params: unknown[]): unknown[];
/**
 *  Returns true if an item exists in one array that does not exist in another, using deep comparison by default.
 */
export declare function hasDifference(x: Array<unknown>, y: Array<unknown>, comparator?: (value: any, other: any) => boolean): boolean;
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