import { type SyncMessage } from "cojson";
import type { PingMsg } from "./types.js";
export declare function getErrorMessage(error: unknown): string;
export declare function deserializeMessages(messages: unknown): {
    readonly ok: true;
    readonly messages: SyncMessage[] | PingMsg[];
    readonly error?: undefined;
} | {
    readonly ok: false;
    readonly error: unknown;
    readonly messages?: undefined;
};
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