/**
 * Copyright (c) 2022-2025 mol* contributors, licensed under MIT, See LICENSE file for more info.
 *
 * @author Alexander Rose <alexander.rose@weirdbyte.de>
 */
import { GLRenderingContext } from './compat.js';
import { WebGLStats } from './context.js';
import { WebGLExtensions } from './extensions.js';
export type TimerResult = {
    readonly label: string;
    readonly gpuElapsed: number;
    readonly gpuAvg: number;
    readonly cpuElapsed: number;
    readonly cpuAvg: number;
    readonly children: TimerResult[];
    readonly calls?: Calls;
    readonly note?: string;
};
type WebGLTimerOptions = {
    captureStats?: boolean;
    note?: string;
};
export type WebGLTimer = {
    /** Check with GPU for finished timers. */
    resolve: () => TimerResult[];
    mark: (label: string, options?: WebGLTimerOptions) => void;
    markEnd: (label: string) => void;
    stats: () => {
        gpu: Record<string, number>;
        cpu: Record<string, number>;
    };
    formatedStats: () => Record<string, string>;
    clear: () => void;
    destroy: () => void;
};
type Calls = {
    drawInstanced: number;
    counts: number;
};
export declare function createTimer(gl: GLRenderingContext, extensions: WebGLExtensions, stats: WebGLStats, options?: {
    avgCount: number;
}): WebGLTimer;
export declare function printTimerResults(results: TimerResult[]): void;
export {};