/*!
 * Copyright (c) Microsoft Corporation.
 * Licensed under the MIT License.
 */
import { ShaderBase } from "./shader.js";
import { vec3 } from "gl-matrix";
export declare class Model extends ShaderBase {
    private _texture2D;
    private _positionAttribute;
    private _texCoordAttribute;
    private _normalAttribute;
    private _samplerUniform;
    protected _directionToLightUniform: WebGLUniformLocation;
    protected _halfAngleUniform: WebGLUniformLocation;
    protected _specularPowerUniform: WebGLUniformLocation;
    protected _specularIntensityUniform: WebGLUniformLocation;
    directionToLight: vec3;
    halfAngle: vec3;
    specularPower: number;
    specularIntensity: number;
    get texture2D(): WebGLTexture;
    set texture2D(value: WebGLTexture);
    initializeContext(gl: WebGLRenderingContext): void;
    private _initializeShader;
    apply(): void;
    applyView(): void;
    updateBuffers(): void;
    updateTextures(): void;
}