import { TAddress } from '../models/TAddress';
import { IBlockchainExplorer } from '../explorer/IBlockchainExplorer';
import { TPlatform } from '../models/TPlatform';
import { IToken } from '../models/IToken';
import { ITokenProvider } from './TokenProviders/ITokenProvider';
import { TokenDataProvider } from './TokenDataProvider';
import { ERC20 } from '../prebuilt/openzeppelin/ERC20';
export declare class TokensService {
    private platform;
    private explorer?;
    private forked?;
    provider: TokenDataProvider;
    constructor(platform: TPlatform, explorer?: IBlockchainExplorer, forked?: TokenDataProvider);
    getTokenOrDefault(symbol: string, chainLookup?: boolean): Promise<IToken>;
    getTokenOrDefault(address: TAddress, chainLookup?: boolean): Promise<IToken>;
    getToken(symbol: string, chainLookup?: boolean): Promise<IToken>;
    getToken(address: TAddress, chainLookup?: boolean): Promise<IToken>;
    getKnownToken(mix: string): Promise<IToken>;
    addKnownToken(token: IToken): Promise<void>;
    isNative(token: IToken): boolean;
    isNative(address: TAddress): boolean;
    isNative(symbol: string): boolean;
    getNative(platform?: TPlatform): IToken;
    /** Download tokens with various exchange/swap providers and merge them into one collection. */
    redownload(): Promise<ITokenProvider[]>;
    getTokenByAddress(address: TAddress, chainLookup?: boolean): Promise<[IToken, ITokenProvider]>;
    getTokenBySymbol(symbol: string, chainLookup?: boolean): Promise<[IToken, ITokenProvider]>;
    static erc20(token: string | IToken, platform: TPlatform): Promise<ERC20>;
    erc20(token: string | IToken): Promise<ERC20>;
}