import type { Message } from '../../types/api';
interface ThreadNavigatorRailProps {
    messages: Message[];
    onNavigate: (index: number) => void;
    /** Measured thread width (px). Drives compact vs roomy rail layout. */
    threadWidth?: number;
    /** Top inset (px) reserved for visible thread headers. */
    topInset?: number;
    /** Bottom inset (px) reserved for the chat input stack. */
    bottomInset?: number;
}
export declare const ThreadNavigatorRail: import("react").NamedExoticComponent<ThreadNavigatorRailProps>;
export {};
//# sourceMappingURL=ThreadNavigatorRail.d.ts.map