import { DecimateOnline } from '../prelude/interfaces/decimate/online';
import { DecimateBatch } from '../prelude/interfaces/decimate/batch';
import { IPoint } from '../prelude';
import { PointWithSED } from './point-with-sed';
export declare class Decimate_STTrace implements DecimateBatch, DecimateOnline {
    readonly compressionRatio: number;
    private totalAdded;
    private points;
    constructor(compressionRatio: number);
    toPoints(): PointWithSED[];
    concat(newPoints: Array<IPoint>): Decimate_STTrace;
    /**
     * If you would like to change the decimation criteria or function, do it here.
     *
     * @param pointCountToRemove number Number of points to knock out of the buffer
     * @returns number Number of points removed
     */
    decimateN(pointCountToRemove: number): number;
    decimateOne(): void;
    batch(points: Array<IPoint>): IPoint[];
}