import { Asset } from '@cardano-sdk/core';
import { AssetPolicyIdAndName, NftMetadataService } from './types';
import { Logger } from 'ts-log';
import { Pool } from 'pg';
import { TxMetadataService } from '../Metadata';
export interface DbSyncNftMetadataServiceDependencies {
    metadataService: TxMetadataService;
    db: Pool;
    logger: Logger;
}
export declare class DbSyncNftMetadataService implements NftMetadataService {
    #private;
    constructor({ db, logger, metadataService }: DbSyncNftMetadataServiceDependencies);
    getNftMetadata(assetInfo: AssetPolicyIdAndName): Promise<Asset.NftMetadata | null>;
}
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