import { type RefObject } from 'react';
import type { PagePanelSizes, PanelName } from './page-types.js';
interface BasePagePanelState {
    ref: RefObject<HTMLDivElement>;
    isControlled: boolean;
    isDismissed: boolean;
    minWidth: number;
    breakpoint: number;
}
interface MainPagePanelState extends BasePagePanelState {
    isControlled: false;
    isDismissed: false;
}
/** @internal */
export interface PageLayoutState {
    sidebar: BasePagePanelState | null;
    main: MainPagePanelState | null;
    details: BasePagePanelState | null;
}
/** @internal */
export interface PageContext {
    containerSize: number;
    panels: PageLayoutState;
    registerPanel: (name: PanelName, options: {
        ref: RefObject<HTMLDivElement>;
        isControlled: boolean;
        isDismissed: boolean;
        minWidth: number;
        breakpoint: number;
    }) => void;
    removePanel: (name: PanelName) => void;
    dismissPanel: (name: PanelName) => void;
    expandPanel: (name: PanelName) => void;
    togglePanel: (name: PanelName) => void;
    getPanelSizes: () => PagePanelSizes;
}
/** @internal */
export declare const pageContext: import("react").Context<PageContext>;
/** @internal */
export declare function usePageContext(): PageContext;
interface Options {
    ref: RefObject<HTMLDivElement>;
    /**
     * Whether the dismissed state is controlled externally.
     * @defaultValue false
     */
    isControlled?: boolean;
    /**
     * Whether the panel is dismissed (collapsed) or not.
     * @defaultValue false
     */
    isDismissed?: boolean;
    /**
     * The minimum width (in px) the panel can be resized to.
     * @defaultValue 0
     */
    minWidth?: number;
    /**
     * The breakpoint (in px) at which the panel is displayed as a `Drawer`.
     * `0` means the panel will never be displayed as a `Drawer`.
     * @defaultValue 0
     */
    breakpoint?: number;
}
/** @internal */
export declare function useRegisterPagePanel(name: PanelName, options: Options): BasePagePanelState | MainPagePanelState | null;
export {};