import type { ComposerState } from "./hooks/use-composer.js";
import type { UseTurnQueueResult } from "./hooks/use-turn-queue.js";
import type { TimelineItem } from "./timeline/types.js";
/** Keep pending prompts in the queue, not duplicated in the conversation. */
export declare function conversationTimeline(items: TimelineItem[], queue: Pick<UseTurnQueueResult, "queue" | "snapshot" | "acceptedSteers">, composer: Pick<ComposerState, "optimisticMessages" | "retryOptimisticMessage" | "restoreOptimisticMessage" | "removeOptimisticMessage">): TimelineItem[];