import { RegistryService, IssuerLookupResult } from '../registry.service';
export declare class DccIssuerRegistryAdapter implements RegistryService {
    private registryClient;
    private isInitialized;
    constructor();
    private initialize;
    isTrusted(issuer: string): Promise<boolean>;
    getIssuer(issuer: string): Promise<IssuerLookupResult | null>;
}
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