import type { NFCDictionary } from '../interfaces.js';
export declare class NFCField implements NFCDictionary {
    message: string;
    encryptionPublicKey?: string;
    requiresAuthentication?: boolean;
    constructor(nfc?: NFCDictionary);
    setPublicKey(pem: string): this;
    toJSON(): NFCDictionary | undefined;
}
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