import Gtk from "gi://Gtk";
import type { GjsContext } from "../../../reconciler/gjs-renderer";
import type { HostContext } from "../../../reconciler/host-context";
import { BaseElement, type GjsElement } from "../../gjs-element";
import type { DiffedProps } from "../../utils/element-extenders/map-properties";
import type { TextNode } from "../text-node";
import { PopoverElement } from "./popover";
export declare class PopoverContentElement extends BaseElement implements GjsElement<"POPOVER_CONTENT", Gtk.Widget> {
    static getContext(currentContext: HostContext<GjsContext>): HostContext<GjsContext>;
    readonly kind = "POPOVER_CONTENT";
    protected emptyReplacement: Gtk.Box;
    protected childElement: GjsElement | null;
    protected get widget(): Gtk.Widget;
    protected parent: PopoverElement | null;
    protected readonly lifecycle: null;
    protected readonly handlers: null;
    protected readonly propsMapper: null;
    constructor(props: DiffedProps);
    updateProps(props: DiffedProps): void;
    appendChild(child: GjsElement | TextNode): void;
    insertBefore(newChild: GjsElement | TextNode, beforeChild: GjsElement): void;
    remove(parent: GjsElement): void;
    render(): void;
    notifyWillMountTo(parent: GjsElement): boolean;
    notifyMounted(): void;
    notifyChildWillUnmount(child: GjsElement): void;
    show(): void;
    hide(): void;
    getWidget(): Gtk.Widget;
    getParentElement(): PopoverElement | null;
    addEventListener(signal: string, callback: Rg.GjsElementEventListenerCallback): void;
    removeEventListener(signal: string, callback: Rg.GjsElementEventListenerCallback): void;
    setProperty(key: string, value: any): void;
    getProperty(key: string): void;
}