three.js/examples/jsm/libs/stats.module.d.ts

declare interface Stats {
	REVISION: number;
	dom: HTMLDivElement;
	addPanel( panel: Stats.Panel ): Stats.Panel;
	showPanel( id: number ): void;
	begin(): void;
	end(): void;
	update(): void;
	domElement: HTMLDivElement;
	setMode( id: number ): void;
}

declare function Stats(): Stats;

declare namespace Stats {
	interface Panel {
		dom: HTMLCanvasElement;
		update( value: number, maxValue: number ): void;
	}

	function Panel( name?: string, fg?: string, bg?: string ): Panel;
}

export default Stats;