import { type Result } from '@forgeax/engine-types';
import { type DistanceFieldError, type MeshDistanceField } from './distance-field';
/**
 * Build-time approximate scene visibility. No watertightness or signed-distance
 * guarantee; the explicit voxel size is in source mesh units. Sidedness is per
 * triangle, not per material identity, and does not supply alpha coverage.
 */
export declare function buildVisibilityDistanceField(positions: ArrayLike<number>, indices: ArrayLike<number>, options: {
    readonly voxelSize: number;
    readonly triangleSidedness: ArrayLike<number>;
}): Promise<Result<MeshDistanceField, DistanceFieldError>>;
/** Same canonical geometry and sidedness identity at cook and asset admission. */
export declare function visibilityDistanceFieldSourceDigest(meshDigest: string, flags: Uint8Array): Promise<string>;
//# sourceMappingURL=visibility-distance-field.d.ts.map