import { Asset, Cardano, Milliseconds, Seconds } from '@cardano-sdk/core';
import { InMemoryCache } from '../InMemoryCache';
import { Logger } from 'ts-log';
import { TokenMetadataService } from './types';
export declare const DEFAULT_TOKEN_METADATA_CACHE_TTL: Seconds;
export declare const DEFAULT_TOKEN_METADATA_REQUEST_TIMEOUT: Milliseconds;
export declare const DEFAULT_TOKEN_METADATA_SERVER_URL = "https://tokens.cardano.org";
interface NumberValue {
    value?: number;
}
interface StringValue {
    value?: string;
}
interface TokenMetadataServiceRecord {
    decimals?: NumberValue;
    description?: StringValue;
    logo?: StringValue;
    name?: StringValue;
    subject: string;
    ticker?: StringValue;
    url?: StringValue;
}
export declare const toCoreTokenMetadata: (record: TokenMetadataServiceRecord) => Asset.TokenMetadata;
export interface CardanoTokenRegistryConfiguration {
    tokenMetadataCacheTTL?: Seconds;
    tokenMetadataServerUrl?: string;
    tokenMetadataRequestTimeout?: Milliseconds;
}
export interface CardanoTokenRegistryDependencies {
    cache?: InMemoryCache;
    logger: Logger;
}
export declare class CardanoTokenRegistry implements TokenMetadataService {
    #private;
    constructor({ cache, logger }: CardanoTokenRegistryDependencies, config?: CardanoTokenRegistryConfiguration);
    shutdown(): void;
    getTokenMetadata(assetIds: Cardano.AssetId[]): Promise<(Asset.TokenMetadata | null)[]>;
    getTokenMetadataFromCache(assetIds: Cardano.AssetId[]): readonly [Cardano.AssetId[], (Asset.TokenMetadata | null)[]];
}
export {};
//# sourceMappingURL=CardanoTokenRegistry.d.ts.map