/**
 * @template T
 * @param {T[]} source
 * @param {number} [start_index] first index to be included in the search
 * @param {number} [end_index] last index to be included in the search
 * @return {boolean}
 */
export function array_contains_duplicates<T>(source: T[], start_index?: number, end_index?: number): boolean;
//# sourceMappingURL=array_contains_duplicates.d.ts.map