import { JournalInvalidTextError, type RunEvent, type RunHeader } from "./types.js";
export declare function validateText(field: JournalInvalidTextError["field"], value: string): void;
export declare function serializeJson(value: RunHeader | RunEvent["payload"]): string;
export declare function journalCounter(runId: string, field: "seq" | "epoch", value: number | bigint, reason?: "overflow" | "unsafe-integer"): number;
export declare function storageBoundary<T>(location: string, operation: () => T): T;