import type { AgoraMessage, AgoraVerification, AgoraFeed, AgoraAgent, AgoraRegistry } from '../types/agora.js';
export declare function createAgoraMessage(opts: {
    agentId: string;
    agentName: string;
    publicKey: string;
    privateKey: string;
    topic: string;
    type: AgoraMessage['type'];
    subject: string;
    content: string;
    replyTo?: string;
}): AgoraMessage;
/**
 * Verify an agora message.
 *
 * Two independent predicates, reported separately and both folded into the
 * verdict:
 *
 *   signatureValid — the Ed25519 signature verifies under the public key the
 *     message carries. A structural fact about the bytes, not about who the
 *     author is: the key is supplied by the object being verified.
 *   knownAgent     — the author's key appears in the registry the caller
 *     supplied. This is the identity check, and it only runs when a registry
 *     is passed (`registryChecked` says whether it did).
 *
 * `valid` is true only when every check that ran, passed. It was previously
 * set to signatureValid alone, so a message from an author absent from the
 * registry came back valid with 'Author not found in agent registry' sitting
 * in its own errors array.
 *
 * With no registry, `valid` is a signature-only verdict. It does not mean the
 * author is a known participant; nothing checked that.
 */
export declare function verifyAgoraMessage(message: AgoraMessage, registry?: AgoraRegistry): AgoraVerification;
export declare function createFeed(): AgoraFeed;
export declare function appendToFeed(feed: AgoraFeed, message: AgoraMessage): AgoraFeed;
export declare function getThread(feed: AgoraFeed, messageId: string): AgoraMessage[];
export declare function getByTopic(feed: AgoraFeed, topic: string): AgoraMessage[];
export declare function getByAuthor(feed: AgoraFeed, publicKey: string): AgoraMessage[];
export declare function getTopics(feed: AgoraFeed): {
    topic: string;
    count: number;
}[];
export declare function createRegistry(): AgoraRegistry;
export declare function registerAgent(registry: AgoraRegistry, agent: AgoraAgent): AgoraRegistry;
export declare function verifyFeed(feed: AgoraFeed, registry?: AgoraRegistry): {
    total: number;
    valid: number;
    invalid: string[];
};
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