import { Box3, BufferGeometry, Color, Object3D, Sphere, type ColorRepresentation } from 'three/webgpu';
import { BaseGroup } from '../objects';
export interface InstanceStyle {
    color: Color | null;
    colorMode: number;
    opacity: number;
}
export interface InstanceObjectOptions {
    boundsName?: string;
}
export interface InstanceIdentity {
    id?: string | null;
    kind?: string | null;
    name?: string | null;
}
export type InstanceMaterializer = () => Object3D | null;
export declare const INSTANCE_COLOR_MODE_NONE = 0;
export declare const INSTANCE_COLOR_MODE_OVERRIDE = 1;
export declare const INSTANCE_COLOR_MODE_TINT = 2;
export declare class InstanceObject extends BaseGroup {
    #private;
    isInstanceObject: boolean;
    type: string;
    instanceId: string;
    instanceKind: string;
    instanceName: string;
    geometry: BufferGeometry<import("three").NormalBufferAttributes, import("three").BufferGeometryEventMap>;
    boundingBox: Box3 | null;
    boundingSphere: Sphere | null;
    constructor(options?: InstanceObjectOptions);
    setInstanceIdentity(identity: InstanceIdentity): this;
    setInstanceBounds(bounds: Box3): this;
    setInstanceRenderObject(object: Object3D | null): this;
    getInstanceRenderObject(): Object3D<import("three").Object3DEventMap> | null;
    setInstanceMaterializer(materializer: InstanceMaterializer | null): this;
    hasInstanceMaterializer(materializer: InstanceMaterializer): boolean;
    clearInstanceMaterializer(materializer?: InstanceMaterializer): this;
    materialize(): Object3D<import("three").Object3DEventMap> | null;
    computeBoundingBox(): void;
    computeBoundingSphere(): void;
    getInstanceBoundingBox(target?: Box3, world?: boolean): Box3;
    setInstanceVisible(visible: boolean): this;
    setInstanceColor(color: ColorRepresentation): this;
    resetInstanceColor(): this;
    setInstanceOpacity(opacity: number): this;
    getInstanceColor(target?: Color): Color;
    hasInstanceColor(): boolean;
    getInstanceOpacity(): number;
    setInstanceHighlight(color: ColorRepresentation, opacity: number, overwrite?: boolean): this;
    clearInstanceHighlight(): this;
    getInstanceColorMode(): number;
    onInstanceRenderDirty(callback: () => void): () => boolean;
    markInstanceRenderDirty(): this;
    updateMatrixWorld(force?: boolean): void;
    updateWorldMatrix(updateParents: boolean, updateChildren: boolean): void;
}
export declare function isInstanceObject(object: Object3D): object is InstanceObject;