import Texture2D from '../Texture2D';
import Texture2DArray from '../Texture2DArray';
import Texture3D from '../Texture3D';
import TextureCube from '../TextureCube';
import GLExtension from './GLExtension';
type AllTextureType = Texture2D | TextureCube | Texture2DArray | Texture3D;
declare class GLTexture {
    /**
     * Slot been taken
     */
    slot: number;
    __version: number;
    private _texture;
    /**
     * Instance of webgl texture
     */
    private _webglIns?;
    constructor(texture: AllTextureType);
    bind(gl: WebGL2RenderingContext): void;
    unbind(gl: WebGL2RenderingContext): void;
    getWebGLTexture(gl: WebGL2RenderingContext): WebGLTexture;
    update(gl: WebGL2RenderingContext, glExt: GLExtension): void;
    private _update_texture2D;
    private _update_texture2DArray;
    private _update_texture3D;
    private _update_textureCube;
    private _getBindTarget;
    generateMipmap(gl: WebGL2RenderingContext): void;
    dispose(gl: WebGL2RenderingContext): void;
}
export default GLTexture;