import { type DesktopSnapshot, type DesktopTurn, type DesktopTurnItem } from "./desktop-types.js";
export declare function desktopRecord(value: unknown): value is Record<string, unknown>;
type SnapshotIdentity = Pick<DesktopSnapshot, "threadId" | "ownerClientId" | "revision">;
export declare function reduceDesktopSnapshot(raw: unknown, identity: SnapshotIdentity): DesktopSnapshot;
/** AKK submits exactly one text input; other content shapes are not an exact submission proof. */
export declare function desktopUserMessageText(item: DesktopTurnItem): string | null;
export declare function findDesktopSubmission(snapshot: DesktopSnapshot, clientUserMessageId: string, prompt: string): {
    turn: DesktopTurn;
    item: DesktopTurnItem;
} | null;
export {};