import { BufferGeometry, InstancedBufferAttribute, InstancedMesh, Material, Matrix4, Object3D, OrthographicCamera, PerspectiveCamera, Ray } from 'three';
export declare class InstancedLods extends Object3D {
    readonly type = "InstancedLods";
    readonly isInstancedLods = true;
    readonly isLOD = true;
    readonly autoUpdate = true;
    static isUpdateEnabled: boolean;
    static isEnabled: boolean;
    needUpdate: boolean;
    meshes: InstancedMesh[];
    instanceMatrix: Float32Array;
    originalAttributes: Map<string, InstancedBufferAttribute>;
    private readonly lastCameraPosition;
    private lastCameraZoom;
    count: number;
    private readonly distances;
    private boundsTree;
    private pickExpandRadius;
    private readonly lodsCount;
    private readonly counters;
    private updateCounter;
    constructor(geometries: BufferGeometry[], distances: number[], material: Material, count: number);
    private addAttribute;
    update(camera: PerspectiveCamera | OrthographicCamera, force?: boolean): void;
    computeBoundingBox(): void;
    buildBoundsTree(): void;
    /**
     * Uses the spatial BVH of instance centers to return instance indices whose expanded bounds the ray may hit.
     */
    raycastInstances(ray: Ray): number[];
    setMatrices(matrices: Float32Array, setToLods?: boolean): void;
    setMatrixAt(index: number, matrix: Matrix4, setToLods?: boolean): void;
    getMatrixAt(index: number, matrix?: Matrix4 | undefined): Matrix4;
}