import { Gpu } from './gpu';
import { Cpu } from './cpu';
import { GlMonitorEvents } from './events';
export type GlMonitorLogger = (val: number, ms: number, i: number) => void;
export type GlMonitorOptions = {
    fpsLogger?: GlMonitorLogger;
    cpuLogger?: GlMonitorLogger;
    gpuLogger?: GlMonitorLogger;
    loggerMaxTime?: number;
    loggerMaxFrames?: number;
    withoutUI?: boolean;
    withoutBenchmarks?: boolean;
    dom?: HTMLElement | null;
};
export declare class GlMonitor extends EventTarget {
    names: string[];
    withoutUI: boolean;
    withoutBenchmarks: boolean;
    private readonly dom;
    private showMS;
    private readonly fpsLogger;
    private readonly cpuLogger;
    private readonly gpuLogger;
    private withoutEXT;
    readonly gpu: Gpu;
    cpu: Cpu;
    private ac;
    elm: HTMLElement;
    pct: HTMLElement;
    loggerMaxTime: number;
    loggerMaxFrames: number;
    /**
     * Add event listener with automatic dispose.
     * @param eventType - event type.
     * @param eventListener - event listener.
     */
    addAutoEventListener(eventType: GlMonitorEvents, eventListener: EventListenerOrEventListenerObject): void;
    /**
     * @param { WebGLRenderingContext | WebGL2RenderingContext } context
     * @param ac
     * @param { Object | undefined } settings
     */
    constructor(context: WebGL2RenderingContext, ac: AbortController, settings?: GlMonitorOptions);
    /**
     * Add UI in dom
     * @param { string } name
     */
    addUI(name?: string): void;
    /**
     * Begin named measure
     * @param { string | undefined } name
     */
    begin(name: string | undefined): void;
    /**
     * End named measure
     * @param { string | undefined } name
     */
    end(name: string | undefined): void;
}