import { InteractionMessage_Spark } from "./InteractionMessage_Spark";
import { Type } from "igniteui-react-core";
/**
 * @hidden
 */
export declare class ViewportChangedMessage_Spark extends InteractionMessage_Spark {
    static $t: Type;
    private d;
    get newTop(): number;
    set newTop(a: number);
    private c;
    get newLeft(): number;
    set newLeft(a: number);
    private e;
    get newWidth(): number;
    set newWidth(a: number);
    private b;
    get newHeight(): number;
    set newHeight(a: number);
    toString(): string;
}