import type { ChatPost, ChatUpdate, ChatDelete, ChatMarkQueued, StreamText, StreamMutableOpen, StreamMutableUpdate, ModalOpen, ModalAck, TuiFrame } from '../../platform/tui/protocol.js';
export interface StreamState {
    segments: string[];
    mutable: Map<string, string>;
}
export interface RenderedMessage {
    messageId: string;
    text: string;
    richBlocks?: Array<{
        type: string;
        text?: string;
        [key: string]: unknown;
    }>;
    queued: boolean;
    streams: Map<string, StreamState>;
}
interface TranscriptState {
    messages: Map<string, RenderedMessage>;
    ids: string[];
}
export declare function useTranscript(opts?: {
    onModalOpen?: (frame: ModalOpen) => void;
    onModalAck?: (frame: ModalAck) => void;
}): {
    messages: Map<string, RenderedMessage>;
    ids: string[];
    messageCount: number;
    dispatch: (frame: TuiFrame) => void;
    clear: () => void;
    flushBatch: () => void;
};
export declare function _handleChatPost(prev: TranscriptState, frame: ChatPost): TranscriptState;
export declare function _handleChatUpdate(prev: TranscriptState, frame: ChatUpdate): TranscriptState;
export declare function _handleChatDelete(prev: TranscriptState, frame: ChatDelete): TranscriptState;
export declare function _handleChatMarkQueued(prev: TranscriptState, frame: ChatMarkQueued): TranscriptState;
export declare function _handleStreamText(prev: TranscriptState, frame: StreamText): TranscriptState;
export declare function _handleStreamMutableOpen(prev: TranscriptState, frame: StreamMutableOpen): TranscriptState;
export declare function _handleStreamMutableUpdate(prev: TranscriptState, frame: StreamMutableUpdate): TranscriptState;
export {};