import { itemDataAxisPoint } from '../item-data/_item-data-axis-point';
import { dataControllerBase } from './_data-controller-base';
export declare class imageDataController extends dataControllerBase {
    _imageAxisPoints: any;
    _imageAltTextAxisPoints: any;
    constructor(options: any);
    private _getAxisPoints;
    _getImageAxisPoints(): Array<itemDataAxisPoint>;
    _getImageAltTextAxisPoints(): Array<itemDataAxisPoint>;
    getImageData(): any;
    getImageAltText(): any;
}