import { H2A_PROTOCOL, H2A_VERSION, type H2AActorRef, type H2AEnvelopeType, type H2ASignature } from "./types.js";
export interface H2AJournalPayload<TBody = unknown> {
    id: string;
    type: H2AEnvelopeType;
    actor: H2AActorRef;
    body: TBody;
    createdAt: string;
    target?: Partial<H2AActorRef>;
    artifactKind?: string;
    contractId?: string;
    engagementId?: string;
    negotiationId?: string;
    policyIds?: string[];
    baseArtifactHash?: string;
    causationId?: string;
    correlationId?: string;
    signatures?: H2ASignature[];
}
export interface H2AJournalEntry<TBody = unknown> extends H2AJournalPayload<TBody> {
    protocol: typeof H2A_PROTOCOL;
    version: typeof H2A_VERSION;
    sequence: number;
    prevHash?: string;
    contentHash: string;
}
export declare function createJournalEntry<TBody>(payload: H2AJournalPayload<TBody>): H2AJournalEntry<TBody>;
export declare function appendJournalEntry<TBody>(previous: H2AJournalEntry<unknown>, payload: H2AJournalPayload<TBody>): H2AJournalEntry<TBody>;
export type H2AJournalVerification = {
    ok: true;
} | {
    ok: false;
    index: number;
    reason: string;
};
export declare function verifyJournalChain(entries: ReadonlyArray<H2AJournalEntry<unknown>>): H2AJournalVerification;
export declare function journalEntryAsCanonicalString(entry: H2AJournalEntry<unknown>): string;
//# sourceMappingURL=journal.d.ts.map