import { Base, Type } from "igniteui-react-core";
import { RectData } from "igniteui-react-core";
import { LabelAppearanceData } from "igniteui-react-core";
import { Rect } from "igniteui-react-core";
/**
 * @hidden
 */
export declare class ChartTitleVisualData extends Base {
    static $t: Type;
    constructor();
    get width(): number;
    get height(): number;
    private _viewport;
    get viewport(): RectData;
    set viewport(a: RectData);
    private _textPlotArea;
    get textPlotArea(): RectData;
    set textPlotArea(a: RectData);
    private _appearance;
    get appearance(): LabelAppearanceData;
    set appearance(a: LabelAppearanceData);
    serialize(): string;
    h(a: RectData): void;
    g(): void;
    j(a: Rect): void;
    i(): void;
}