export default class Circularr<T> {
    private _data;
    private _index;
    static from<T>(source: T[]): Circularr<T>;
    constructor(length: number);
    [Symbol.iterator](): Generator<T, void, unknown>;
    get length(): number;
    fill(value: T): this;
    clear(): this;
    shift(value: T): T;
    unshift(value: T): T;
    slice(startIndex?: number, endIndex?: number): Circularr<T>;
    trim(): Circularr<T>;
    at(index: number): T | undefined;
    wrapAt(index: number): T | undefined;
}