import type { ReactNode } from 'react';
export declare const PanelShortcutsProvider: import("react").Provider<boolean>;
/** True when panel letter shortcuts may fire (empty composer draft). */
export declare function usePanelShortcutsEnabled(): boolean;
export interface MonitorSize {
    columns: number;
    rows: number;
    /** Width inside a full-width round border with one column of horizontal padding. */
    contentWidth: number;
    /** Conservative row budget after the shared header/footer chrome. */
    contentRows: number;
}
export declare function useMonitorSize(): MonitorSize;
export declare function truncatePanelText(text: string, width: number): string;
export declare function panelWindow(total: number, selected: number, limit: number): {
    start: number;
    end: number;
    above: number;
    below: number;
};
export interface MonitorShellProps {
    accent: string;
    icon: string;
    title: string;
    /** Quiet context beside the title, hidden by callers on narrow terminals. */
    kicker?: string | undefined;
    right?: ReactNode | undefined;
    footer?: ReactNode | undefined;
    children?: ReactNode | undefined;
    grow?: boolean | undefined;
    /** Clamp the shell's total height (including borders) to prevent overflow. */
    maxHeight?: number | undefined;
}
/** Shared chrome for F-key monitors: one visual hierarchy and one geometry contract. */
export declare function MonitorShell({ accent, icon, title, kicker, right, footer, children, grow, maxHeight, }: MonitorShellProps): import("react").JSX.Element;
export declare function SectionLabel({ children, color, }: {
    children: ReactNode;
    color?: string | undefined;
}): import("react").JSX.Element;
export declare function KeyCap({ keyName, label, color, }: {
    keyName: string;
    label: string;
    color?: string | undefined;
}): import("react").JSX.Element;
export declare function EmptyPanelState({ icon, title, detail, accent, }: {
    icon: string;
    title: string;
    detail?: ReactNode | undefined;
    accent?: string | undefined;
}): import("react").JSX.Element;
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