import { ContextCore } from "../../typing/context";
import { WaterfallEntry } from "../../typing/waterfall";
/** Overlay (popup) instance manager */
declare class OverlayManager {
    private context;
    private static showFullName;
    /**
     * Keypress Event handler for fist el in Overlay,
     * to manage highlighting of the element above
     */
    private static firstElKeypress;
    /**
     * Keypress Event handler for last el in Overlay,
     * to manage highlighting of the element below
     */
    private static lastElKeypress;
    /** Collection of currely open overlays */
    private openOverlays;
    constructor(context: ContextCore);
    /** all open overlays height combined */
    getCombinedOverlayHeight(): number;
    /**
     * Opens an overlay - rerenders others internaly
     */
    openOverlay(index: number, y: number, detailsHeight: number, entry: WaterfallEntry, rowItems: SVGAElement[]): void;
    /**
     * Toggles an overlay - rerenders others
     */
    toggleOverlay(index: number, y: number, detailsHeight: number, entry: WaterfallEntry, rowItems: SVGAElement[]): void;
    /**
     * closes on overlay - rerenders others internally
     */
    closeOverlay(index: number, detailsHeight: number, rowItems: SVGAElement[]): void;
    /**
     * Sets the offset for a request-bar
     * @param {SVGAElement[]} rowItems
     * @param {number} offset
     */
    private realignRow;
    /**
     * Renders / Adjusts Overlays
     *
     * @summary this is to re-set the "y" position since there is a bug in chrome with
     * tranform of an SVG and positioning/scoll of a foreignObjects
     * @param  {number} detailsHeight
     * @param  {SVGAElement[]} rowItems
     */
    private renderOverlays;
}
export { OverlayManager, };
export default OverlayManager;