import { type HTMLAttributes, type ReactNode, type RefObject } from 'react';
export type PanelSubviewHostProps = HTMLAttributes<HTMLDivElement>;
export interface PanelSubviewProps extends Omit<HTMLAttributes<HTMLElement>, 'title'> {
    /** Whether the subview is showing. It animates in and out around this. */
    open: boolean;
    /** Fires from the back button and from Escape. Set `open` false in reply. */
    onBack: () => void;
    /** The subview's heading. Already translated upstream. */
    title: ReactNode;
    /** Accessible name and tooltip of the back button. Already translated. */
    backLabel: string;
    /** Optional leading glyph for the heading. */
    icon?: ReactNode;
    /** Heading level. Default `2`; pass `3` to read as subordinate to the host. */
    headingLevel?: 2 | 3;
    /** Extra header actions, rendered after the back button. */
    headerActions?: ReactNode;
    /** Pinned below the scroll body: the form's cancel and save, typically. */
    footer?: ReactNode;
    /** How `footer`'s row is justified. `'end'` (default) keeps the single
     *  trailing cluster every other subview uses; `'between'` splits the
     *  row — render `footer` as two children (a leading destructive action,
     *  a trailing Cancel/Save cluster) and the container puts one at each
     *  end, the same shape as the appointment editor's ACTION FOOTER. */
    footerAlign?: 'end' | 'between';
    /** Fires once the exit has played and the subview has unmounted. */
    onExited?: () => void;
    /**
     * Focus this on open instead of the subview itself: a form's first field,
     * say. The subview is still announced through its heading.
     */
    initialFocusRef?: RefObject<HTMLElement | null>;
    children: ReactNode;
}
export declare const PanelSubview: import("react").ForwardRefExoticComponent<PanelSubviewProps & import("react").RefAttributes<HTMLElement>> & {
    Host: import("react").ForwardRefExoticComponent<PanelSubviewHostProps & import("react").RefAttributes<HTMLDivElement>>;
};
//# sourceMappingURL=panel-subview.d.ts.map