/**
 * Returns tail of tuple.
 *
 * ```ts
 * TupleTail<[1, 2, 3]> => [2, 3]
 * ```
 */
export declare type TupleTail<T extends any[]> = T extends [any, ...infer R] ? R : never;
/**
  * Returns last of tuple.
  *
  * ```ts
  * TupleLast<[1, 2, 3]> => 3
  * ```
  */
export declare type TupleLast<T extends any[]> = T[TupleTail<T>['length']];
/**
 * A array that has at least one element.
 */
export declare type NonEmptyArray<T> = [T, ...T[]];