import { ListItem } from "./list-item";
export declare class LinkedList<T> implements Iterable<T>, Iterator<T> {
    private _start;
    get start(): ListItem<T>;
    get first(): ListItem<T>;
    private _end;
    get end(): ListItem<T>;
    get last(): ListItem<T>;
    private current;
    private _length;
    get length(): number;
    constructor(values?: Array<T>);
    constructor(value?: T);
    append(values: Array<T>): void;
    append(value: T): void;
    private appendValue;
    getItem(index: number): ListItem<T>;
    getValue(index: number): T;
    indexOf(finder: (value: T) => boolean): number;
    find(finder: (value: T) => boolean): T | undefined;
    isStart(item: ListItem<T>): boolean;
    isEnd(item: ListItem<T>): boolean;
    [Symbol.iterator](): Iterator<T>;
    next(): IteratorResult<T>;
}