import { type Theme } from '../../../treb-base-types/src/index';
export declare enum Orientation {
    Horizontal = 0,
    Vertical = 1
}
export declare class HeaderOverlay {
    private theme;
    private container;
    private orientation;
    private g;
    private overlay;
    private highlight;
    constructor(theme: Theme, container: SVGElement, orientation: Orientation);
    /**
     * remove from DOM, prior to cleanup
     */
    Remove(): void;
    Hide(): void;
    Show(x: number, y: number, width: number, height: number): void;
}