/**
 * ChatController — manages text chat messages (send + receive).
 *
 * Lit Reactive Controller equivalent of useRinggChat from React Native.
 */
import type { ReactiveController, ReactiveControllerHost } from "lit";
import type { RealtimeRoomAdapter, ChatMessage } from "@ringg/core";
export declare class ChatController implements ReactiveController {
    host: ReactiveControllerHost;
    private adapter;
    private cleanupFns;
    private connState;
    private streamRegistered;
    messages: ChatMessage[];
    /** Set externally by ComponentController when source URLs arrive from RPC. */
    sourceUrl: string;
    constructor(host: ReactiveControllerHost, adapter: RealtimeRoomAdapter);
    hostConnected(): void;
    hostDisconnected(): void;
    sendMessage(text: string): Promise<void>;
    addComponentMessage(message: ChatMessage): void;
    clearMessages(): void;
    private _registerTextStream;
    private _unregisterTextStream;
    private _mergeMessage;
}
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