import Gtk from "gi://Gtk";
import type { ControlButton } from "../../../enums/custom";
import type { GjsContext } from "../../../reconciler/gjs-renderer";
import type { HostContext } from "../../../reconciler/host-context";
import { BaseElement, type GjsElement } from "../../gjs-element";
import { ChildOrderController } from "../../utils/element-extenders/child-order-controller";
import { ElementLifecycleController } from "../../utils/element-extenders/element-lifecycle-controller";
import { EventHandlers } from "../../utils/element-extenders/event-handlers";
import type { DiffedProps } from "../../utils/element-extenders/map-properties";
import { PropertyMapper } from "../../utils/element-extenders/map-properties";
import type { AlignmentProps } from "../../utils/property-maps-factories/create-alignment-prop-mapper";
import type { ChildPropertiesProps } from "../../utils/property-maps-factories/create-child-props-mapper";
import type { ExpandProps } from "../../utils/property-maps-factories/create-expand-prop-mapper";
import type { MarginProps } from "../../utils/property-maps-factories/create-margin-prop-mapper";
import type { SizeRequestProps } from "../../utils/property-maps-factories/create-size-request-prop-mapper";
import type { StyleProps } from "../../utils/property-maps-factories/create-style-prop-mapper";
import type { TextNode } from "../text-node";
type HeaderBarPropsMixin = ChildPropertiesProps & SizeRequestProps & AlignmentProps & MarginProps & ExpandProps & StyleProps;
export interface HeaderBarProps extends HeaderBarPropsMixin {
    spacing?: number;
    title?: string;
    subtitle?: string;
    canHaveSubtitle?: boolean;
    showControlButtons?: boolean;
    rightControlButtons?: Array<ControlButton>;
    leftControlButtons?: Array<ControlButton>;
}
export declare class HeaderBarElement extends BaseElement implements GjsElement<"HEADER_BAR", Gtk.HeaderBar> {
    static getContext(currentContext: HostContext<GjsContext>): HostContext<GjsContext>;
    readonly kind = "HEADER_BAR";
    protected widget: Gtk.HeaderBar;
    protected parent: GjsElement | null;
    readonly lifecycle: ElementLifecycleController;
    protected readonly handlers: EventHandlers<Gtk.HeaderBar, HeaderBarProps>;
    protected readonly children: ChildOrderController<GjsElement<keyof Rg.GjsElementTypeRegistry, Gtk.Widget>>;
    protected readonly propsMapper: PropertyMapper<HeaderBarProps>;
    constructor(props: DiffedProps);
    updateProps(props: DiffedProps): void;
    appendChild(child: GjsElement | TextNode): void;
    insertBefore(child: 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.HeaderBar;
    getParentElement(): GjsElement<keyof Rg.GjsElementTypeRegistry, Gtk.Widget> | null;
    static controlBtnDiffers: Map<string, (oldProp: any, newProp: any) => boolean>;
    diffProps(oldProps: Record<string, any>, newProps: Record<string, any>): DiffedProps;
}
export {};