import type { Object3D } from 'three';
/**
 * Levels currently in shadow-caster-only mode (hidden above the selected level
 * by solo or by the editor's level display). Tracked so layer masks are
 * restored exactly once on transition, and so a full-building capture can
 * show them for its one render.
 */
export declare const shadowOnlyLevels: WeakSet<Object3D<import("three").Object3DEventMap>>;
//# sourceMappingURL=shadow-only-levels.d.ts.map