export declare class CircularBuffer<T> {
    private readonly _buffer;
    private _nextIndex;
    private _elementCount;
    constructor(size: number);
    push(element: T): T | undefined;
    get elementCount(): number;
    getLast(): T | undefined;
    [Symbol.iterator](): IterableIterator<T>;
    values(): IterableIterator<T>;
}
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