import type { OutputStream, MutableRegion } from '../../output-stream.js';
import type { MessageRef, RichBlock, ActionElement, Destination } from '../../types.js';
import type { TuiConnection } from './tui-connection.js';
export declare class TuiOutputStream implements OutputStream {
    private conn;
    private streamId;
    private seq;
    private parentRef;
    readonly refs: MessageRef[];
    private destination;
    /** Adapter reference for posting messages through outbound methods */
    private adapter;
    constructor(conn: TuiConnection, destination: Destination, adapter: {
        postMessage(dest: Destination, content: {
            text: string;
            richBlocks?: RichBlock[];
        }): Promise<MessageRef>;
        postInteractive(dest: Destination, content: {
            text: string;
            richBlocks?: RichBlock[];
            actions: ActionElement[];
        }): Promise<MessageRef>;
    }, opts?: {
        threadId?: string | null;
    });
    private _nextSeq;
    emitText(text: string): void;
    openMutable(text: string): MutableRegion;
    postInteractive(text: string, opts?: {
        richBlocks?: RichBlock[];
        actions?: ActionElement[];
    }): Promise<MessageRef | null>;
    flush(): Promise<void>;
    getRefs(): MessageRef[];
    getParentRef(): MessageRef | null;
}