import { Box3, InstancedBufferAttribute, Mesh, Sphere } from 'three';
import { RootContext } from '../context.js';
export declare class InstancedPanelMesh extends Mesh {
    protected readonly root: Omit<RootContext, 'glyphGroupManager' | 'panelGroupManager'>;
    readonly instanceMatrix: InstancedBufferAttribute;
    count: number;
    protected readonly isInstancedMesh = true;
    readonly instanceColor: null;
    readonly morphTexture: null;
    readonly boundingBox: Box3;
    readonly boundingSphere: Sphere;
    private readonly customUpdateMatrixWorld;
    constructor(root: Omit<RootContext, 'glyphGroupManager' | 'panelGroupManager'>, instanceMatrix: InstancedBufferAttribute, instanceData: InstancedBufferAttribute, instanceClipping: InstancedBufferAttribute);
    dispose(): void;
    clone(): this;
    copy(): this;
    computeBoundingBox(): void;
    computeBoundingSphere(): void;
    updateMorphTargets(): void;
    raycast(): void;
    spherecast(): void;
}