/**
 * Collection simplifying handling buffer of numeric values with maximum capacity.
 * StatsBuffer keeps at most maxSize values. When a new value is prepended the oldest one is removed
 * if size of the buffer exceeds the size limit.
 */
export declare class StatsBuffer {
    private maxSize;
    private samplesCountForWarning;
    private threshold;
    private buffer;
    private bufferSum;
    /**
     * Creates a new instance of StatsBuffer.
     * @param maxSize - maximum size of the buffer.
     * @param samplesCountForWarning - number of values in the buffer that need to be above the threshold to set isAboveThreshold flag to true.
     * @param threshold - threshold value.
     */
    constructor(maxSize: number, samplesCountForWarning: number, threshold: number);
    /**
     * Creates a new instance of StatsBuffer.
     * @param maxSize - maximum size of the buffer.
     */
    constructor(maxSize: number);
    /**
     * True if buffer reached maximum capacity, false otherwise.
     */
    get isFull(): boolean;
    /**
     * True if all the values in the buffer are equal to 0.0, false otherwise.
     */
    get allZeros(): boolean;
    /**
     * True if `samplesCountForWarning` values kept in buffer are above threshold,false otherwise.
     */
    get isAboveThreshold(): boolean;
    /**
     * Average value of the numbers in the buffer.
     */
    get average(): number;
    /**
     * Standard deviation of the numbers in the buffer.
     */
    get standardDeviation(): number;
    /**
     * Adds a new value to the buffer.
     * @param value - value to add.
     */
    add(value: number): void;
}