import type { AnyAppEvent } from "../../../app/events/app-event.js";
import type { TranscriptState } from "../transcript-types.js";
export declare function discardPendingToolFenceStream(state: TranscriptState): TranscriptState;
export declare function clearStripStream(state: TranscriptState, id: string | undefined): TranscriptState;
export declare function appendDelta(state: TranscriptState, event: AnyAppEvent, kind: "assistant" | "thinking", text: string, reasoningId?: string | undefined): TranscriptState;
export declare function finalizeMessage(state: TranscriptState, event: AnyAppEvent, kind: "assistant" | "thinking", text: string, reasoningId?: string | undefined): TranscriptState;
export declare function closePendingThinking(state: TranscriptState, endedAt: number): TranscriptState;