export class DebugPanel {
    constructor(debugToggle: any);
    counters: Counters;
    visible: boolean;
    version: string;
    debugToggle: any;
    options: {
        hitbox: string | boolean;
        velocity: string | boolean;
        quadtree: string | boolean;
    };
    updateHistory: Float32Array<ArrayBuffer>;
    drawHistory: Float32Array<ArrayBuffer>;
    memHistory: Float32Array<ArrayBuffer>;
    historyIndex: number;
    panel: HTMLDivElement | null;
    panelWrap: HTMLDivElement | null;
    stats: {};
    frameUpdateStartTime: number;
    frameDrawStartTime: number;
    frameUpdateTime: number;
    frameDrawTime: number;
    _onResize: () => void;
    _onBeforeUpdate: (time: any) => void;
    _onAfterUpdate: (time: any) => void;
    _onBeforeDraw: (time: any) => void;
    _onAfterDraw: (time: any) => void;
    /** @private */
    private _buildPanel;
    graphCanvas: HTMLCanvasElement | undefined;
    memCanvas: HTMLCanvasElement | undefined;
    /** @private */
    private _syncPosition;
    /** @private */
    private _updatePanel;
    /**
     * show the debug panel
     */
    show(): void;
    /**
     * hide the debug panel
     */
    hide(): void;
    /** @private */
    private _drawQuadTree;
    /** @private */
    private _drawQuadTreeNode;
    destroy(): void;
}
import Counters from "./counters";
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