export declare class LinkedListNode<T> {
    value: T;
    next: LinkedListNode<T> | undefined;
    previous: LinkedListNode<T> | undefined;
    constructor(value: T, next?: LinkedListNode<T> | undefined, previous?: LinkedListNode<T> | undefined);
}
export default class LinkedList<T> {
    head: LinkedListNode<T> | undefined;
    tail: LinkedListNode<T> | undefined;
    size: number;
    constructor();
    /**
     * Iterates over the elements of the list
     */
    [Symbol.iterator](): Generator<LinkedListNode<T>, void, unknown>;
    forEach(callback: (value: LinkedListNode<T>) => void): void;
    /**
     * Inserts an element at the end of the list
     * @param value
     */
    append(value: T): void;
    /**
     * Inserts an element at the start of the list
     * @param value
     */
    prepend(value: T): void;
    /**
     * Removes the first element from the list
     */
    dropFirst(): void;
    /**
     * Removes the last element from the list
     */
    dropLast(): void;
    /**
     * Inserts an element at a specific location in the list
     */
    insertAt(index: number, value: T): void;
    find(value: T): LinkedListNode<T>;
    toArray(): T[];
    static fromArray<T>(array: T[]): LinkedList<T>;
}