import * as THREE from 'three';
import { RenderData } from '../../gaussian-splatting/util/renderData';
declare class PBMGaussianSplattingRenderMesh extends THREE.Mesh<THREE.InstancedBufferGeometry, THREE.ShaderMaterial> {
    private gsSceneState;
    renderData: RenderData | null;
    needsRender: boolean;
    private sortWorker;
    private depthIndex;
    private splatIndexCapacity;
    private activeSlot;
    private pendingSlot;
    private rebuildGeneration;
    private forceClipperUniformRefresh;
    private incrementalUpdateInFlight;
    private freeSlotPool;
    private dataTexture;
    private positionTexture;
    private transformsTexture;
    private transformIndicesTexture;
    private layerIndicesTexture;
    private shTexture;
    private usedSHDegree;
    constructor();
    private ensureSplatIndexCapacity;
    private getExpandedCapacity;
    private createGeometry;
    private createMaterial;
    private createDefaultLayerClipperRanges;
    private createDefaultClipperMatrices;
    private createTextures;
    private createSHTexture;
    /**
     * 设置球谐阶数
     * @param degree SH 阶数 (0, 1, 或 2)，0 表示禁用 SH
     */
    private setMaxShDegree;
    private bindSlotTextures;
    private disposeSlot;
    /** 回收 slot 到池中复用，而非直接销毁 */
    private recycleSlot;
    private disposeTextures;
    private applyDepthIndex;
    private swapPendingToActive;
    private createSlot;
    private updateSlotTextures;
    private postSortData;
    private sortDataRebuilding;
    private requestSort;
    private syncTransformsForSlot;
    private collectObjects;
    private isSceneNeedsRebuild;
    private getClipperHash;
    private updateClipperCounts;
    private updateInitAnimationDefine;
    private updateClipperUniforms;
    private startPendingRebuild;
    private tryStartIncrementalUpdate;
    onBeforeRender: (renderer: THREE.WebGLRenderer, scene: THREE.Scene, camera: THREE.Camera) => void;
    dispose(): void;
}
export { PBMGaussianSplattingRenderMesh };