import { CBARProcessNode } from "./CBARProcessNode";
import { CBARFrame } from "../CBARFrame";
import { CBARPipeline } from "./CBARPipeline";
import { Mat } from "mirada";
export declare const NUM_CLUSTERS = 7;
export declare type CBARPageFinderNodeConfig = {
    updateMS: number;
    scale: number;
};
export declare class CBARPageFinderNode extends CBARProcessNode {
    config: CBARPageFinderNodeConfig;
    constructor(context: CBARPipeline, _config?: CBARPageFinderNodeConfig);
    private _tracker;
    private _lastExecTime?;
    private _busy;
    update(frame: CBARFrame): void;
    private detect;
    getPaperScore(seg: Mat, img: Mat, contour: Mat): boolean;
    debug(canvas: HTMLCanvasElement): void;
    destroy(): void;
}