export type SlidingWindowSummaryConfig = {
    dataPoints: number;
    /**
     * The number of digits after decimal.
     */
    precision?: number;
};
export declare class SlidingWindowSummary {
    private readonly _buffer;
    private _sum;
    private readonly _precision;
    constructor(options: SlidingWindowSummaryConfig);
    record(value: number): void;
    average(): number;
    computeWindowSummary(): {
        mean: number;
        median: number;
        p90: number;
        stdDev: number;
        histogram: {
            [element: number]: number;
        };
    };
    private _withPrecision;
}
//# sourceMappingURL=sliding-window-summary.d.ts.map