import type { NostrEvent, Attestation } from './types.js';
/**
 * Parse a NostrEvent into a typed Attestation.
 * Returns null if the event is not a valid kind 31000 attestation.
 *
 * An attestation must have either a type tag or an assertion reference.
 */
export declare function parseAttestation(event: NostrEvent): Attestation | null;
/**
 * Check whether a NostrEvent is a revoked attestation.
 * Returns false for non-attestation events.
 */
export declare function isRevoked(event: NostrEvent): boolean;
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