/// <reference types="@rbxts/compiler-types" />
import { ReadonlyDoublyLinkedNode } from "../types/DoublyLinkedNode";
import { ReadonlyDoublyLinkedList } from "../interfaces/ReadonlyDoublyLinkedList";
export declare class DoublyLinkedList<T> implements ReadonlyDoublyLinkedList<T> {
    private currentSize;
    private head?;
    private tail?;
    constructor(values?: ReadonlyArray<T>);
    clear(): void;
    getHeadNode(): ReadonlyDoublyLinkedNode<T> | undefined;
    getHeadValue(): T | undefined;
    getTailNode(): ReadonlyDoublyLinkedNode<T> | undefined;
    getTailValue(): T | undefined;
    isEmpty(): boolean;
    popHeadValue(): T | undefined;
    popTailValue(): T | undefined;
    pushToHead(value: T): void;
    pushToTail(value: T): void;
    pushListToHead(otherList: DoublyLinkedList<T>): void;
    pushListToTail(otherList: DoublyLinkedList<T>): void;
    size(): number;
}