import { nat } from "./primitives.js";
export declare function insertBetween<T>(array: T[], element: T): T[];
export declare function insert<E>(arr: E[], at: nat, elems: E[]): E[];
export declare function splice<E>(arr: E[], at: nat, deleteCount: nat, elems: E[]): E[];
export declare function last<E>(arr: E[]): E;