interface RGB {
    r: number;
    g: number;
    b: number;
}
/** Per-face flat shader using face normal for lighting. */
export declare class FlatShader {
    /** Computes flat-shaded RGB light contribution for a face. */
    shade(nx: number, ny: number, nz: number, lights: Record<string, unknown>[], ambientIntensity?: number, wx?: number, wy?: number, wz?: number): RGB;
}
export {};
//# sourceMappingURL=FlatShader.d.ts.map