backend/libs/three/core/Layers.d.ts

export class Layers {
	constructor();

	/**
	 * @default 1 | 0
	 */
	mask: number;

	set(channel: number): void;
	enable(channel: number): void;
	enableAll(): void;
	toggle(channel: number): void;
	disable(channel: number): void;
	disableAll(): void;
	test(layers: Layers): boolean;
	isEnabled(channel: number): boolean;
}