export declare class GpuCache {
    private _db;
    constructor();
    __inited: boolean;
    init(point_count: number, tf_count: number): Promise<void>;
    clear(): Promise<void>;
    get_point_texture(): Promise<Float32Array>;
    set_point_texture(data: Float32Array): Promise<void>;
    get_point_buffer(): Promise<Uint32Array>;
    set_point_buffer(data: Uint32Array): Promise<void>;
}