import type { IncomingMessage, Server, ServerResponse } from "node:http";
import type { ContinuationOriginContextReference, DurableContinuationRecord } from "./continuation-store.js";
import { type ResolvedOriginContext } from "./continuation-service-types.js";
import { type ContinuationLimits, type ContinuationStatusSnapshot, type ContinuationSynthesisInput, type NamedContinuationRoute } from "./continuations.js";
export declare function continuationOperatorToken(secret: Uint8Array): string;
export interface ParsedClaim {
    readonly taskKey: string;
    readonly taskHash: string;
    readonly deadline: string;
}
export declare function parseClaim(body: unknown, now: Date, maxDeadlineMs: number): ParsedClaim;
export declare function statusOf(record: DurableContinuationRecord | undefined): ContinuationStatusSnapshot | undefined;
export declare function statusOfRequired(record: DurableContinuationRecord): ContinuationStatusSnapshot;
export declare function requireRecord(records: Map<string, DurableContinuationRecord>, id: string): DurableContinuationRecord;
export declare function synthesisInput(record: DurableContinuationRecord, originContext: Extract<ResolvedOriginContext, {
    readonly kind: "ready";
}>): ContinuationSynthesisInput;
export declare function originContextBindingMac(secret: Uint8Array, record: DurableContinuationRecord, reference: ContinuationOriginContextReference): string;
export declare function requireLease(record: DurableContinuationRecord, owner: string): void;
export declare function clearLease(record: DurableContinuationRecord): void;
export declare function expire(record: DurableContinuationRecord, at: string): void;
export declare function errorRecord(code: string, reason: string, at: string): NonNullable<DurableContinuationRecord["lastError"]>;
export declare function authorizeRecordToken(record: DurableContinuationRecord, token: string): void;
export declare function validateNamedRoutes(routes: Readonly<Record<string, NamedContinuationRoute>>): void;
export declare function resolveContinuationLimits(input: Partial<ContinuationLimits> | undefined): ContinuationLimits;
export declare function operatorContinuationPage(records: readonly DurableContinuationRecord[], url: URL, configuredPageSize: number): Record<string, unknown>;
export declare function closeContinuationServer(server: Server): Promise<void>;
export declare function requireBearer(request: IncomingMessage): string;
export declare function requireHeader(request: IncomingMessage, name: string): string;
export declare function readJson(request: IncomingMessage, maxBytes: number): Promise<unknown>;
export declare function asObject(value: unknown): Record<string, unknown>;
export declare function requiredStringField(object: Record<string, unknown>, key: string, max?: number): string;
export declare function sendJson(response: ServerResponse, status: number, body: unknown): void;
export declare function isLoopbackHost(host: string): boolean;
export declare function formatHost(host: string): string;
export declare function backoffMs(attempt: number, base: number, cap: number): number;
export declare function safeReason(error: unknown): string;
export declare function boundedHistoryErrorCode(value: string): string;
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