import { GeoObject } from "./GeoObject";
import type { WebGLBufferExt, WebGLTextureExt } from "../webgl/Handler";
import type { TypedArray } from "../utils/shared";
import { Program } from "../webgl/Program";
import { GeoObjectHandler } from "./GeoObjectHandler";
export declare class InstanceData {
    isFree: boolean;
    _geoObjectHandler: GeoObjectHandler;
    geoObjects: GeoObject[];
    numInstances: number;
    _colorTexture: WebGLTextureExt | null;
    _normalTexture: WebGLTextureExt | null;
    _metallicRoughnessTexture: WebGLTextureExt | null;
    _colorTextureSrc: string | null;
    _normalTextureSrc: string | null;
    _metallicRoughnessTextureSrc: string | null;
    _colorTextureImage: HTMLImageElement | null;
    _normalTextureImage: HTMLImageElement | null;
    _metallicRoughnessTextureImage: HTMLImageElement | null;
    _objectSrc?: string;
    _sizeArr: number[] | TypedArray;
    _translateArr: number[] | TypedArray;
    _vertexArr: number[] | TypedArray;
    _rtcPositionHighArr: number[] | TypedArray;
    _rtcPositionLowArr: number[] | TypedArray;
    _qRotArr: number[] | TypedArray;
    _rgbaArr: number[] | TypedArray;
    _normalsArr: number[] | TypedArray;
    _indicesArr: number[] | TypedArray;
    _pickingColorArr: number[] | TypedArray;
    _visibleArr: number[] | TypedArray;
    _texCoordArr: number[] | TypedArray;
    _localPositionArr: number[] | TypedArray;
    _sizeBuffer: WebGLBufferExt | null;
    _translateBuffer: WebGLBufferExt | null;
    _vertexBuffer: WebGLBufferExt | null;
    _rtcPositionHighBuffer: WebGLBufferExt | null;
    _rtcPositionLowBuffer: WebGLBufferExt | null;
    _qRotBuffer: WebGLBufferExt | null;
    _rgbaBuffer: WebGLBufferExt | null;
    _normalsBuffer: WebGLBufferExt | null;
    _indicesBuffer: WebGLBufferExt | null;
    _pickingColorBuffer: WebGLBufferExt | null;
    _visibleBuffer: WebGLBufferExt | null;
    _texCoordBuffer: WebGLBufferExt | null;
    _localPositionBuffer: WebGLBufferExt | null;
    _buffersUpdateCallbacks: Function[];
    _changedBuffers: boolean[];
    _materialParams: Float32Array;
    _materialShininess: number;
    constructor(geoObjectHandler: GeoObjectHandler);
    setMaterialAmbient(r: number, g: number, b: number): void;
    setMaterialDiffuse(r: number, g: number, b: number): void;
    setMaterialSpecular(r: number, g: number, b: number): void;
    setMaterialShininess(shininess: number): void;
    setMaterialParams(ambient: Float32Array, diffuse: Float32Array, specular: Float32Array, shininess: number): void;
    drawOpaque(p: Program): void;
    drawTransparent(p: Program): void;
    protected _drawElementsInstanced(p: Program): void;
    loadColorTexture(): Promise<void>;
    loadNormalTexture(): Promise<void>;
    loadMetallicRoughnessTexture(): Promise<void>;
    clear(): void;
    _deleteBuffers(): void;
    createVertexBuffer(): void;
    createVisibleBuffer(): void;
    createSizeBuffer(): void;
    createTranslateBuffer(): void;
    createLocalPositionBuffer(): void;
    createTexCoordBuffer(): void;
    createRTCPositionBuffer(): void;
    createRgbaBuffer(): void;
    createQRotBuffer(): void;
    createNormalsBuffer(): void;
    createIndicesBuffer(): void;
    createPickingColorBuffer(): void;
    refresh(): void;
    update(): void;
    private _createColorTexture;
    private _createNormalTexture;
    private _createMetallicRoughnessTexture;
}