import { CrossChainDepositData } from '../../common/cross-chain-transfer-trade/models/cross-chain-deposit-statuses';
import { ChangellyEstimateResponse, ChangellyExchangeResponse } from '../models/changelly-estimate-response';
import { ChangellyExchangeSendParams } from '../models/changelly-exchange-send-params';
import { ChangellyLimitError } from '../models/changelly-limit-error';
import { ChangellyToken } from '../models/changelly-token';
export declare class ChangellyApiService {
    private static xApiKey;
    private static endpoint;
    static fetchTokenList(): Promise<{
        result: ChangellyToken[];
    }>;
    static getFixedRateEstimation(params: {
        from: string;
        to: string;
        amountFrom: string;
        amountTo?: string;
    }): Promise<{
        result: ChangellyEstimateResponse[];
        error?: ChangellyLimitError;
    }>;
    static createExchange(params: ChangellyExchangeSendParams): Promise<{
        result: ChangellyExchangeResponse;
        error?: {
            message: string;
        };
    }>;
    static getTxStatus(id: string): Promise<CrossChainDepositData>;
}