/**
 * ChatHeader — top bar that shows either the "Messages" title (list view) or
 * back button + avatar + agent label + online indicator (conversation view).
 */
import type { JSX } from "preact";
import type { ChatController } from "../controller/chat-controller";
import type { ChatStore } from "../store/chat-store";
interface ChatHeaderProps {
    store: ChatStore;
    controller: ChatController;
}
export declare function ChatHeader({ store, controller, }: ChatHeaderProps): JSX.Element;
export {};