import { ButterTransactionResponse } from '../../types/responseTypes';
import { ButterCoreParam, TransactionOptions } from '../../types';
import { ButterContractType, ButterProviderType } from '../../types/paramTypes';
/**
 * EVM Omnichain Chain Service smart contracts abstraction
 */
export declare class ButterRouter {
    contract: ButterContractType;
    provider: ButterProviderType;
    constructor(contractAddress: string, abi: any, signerOrProvider: ButterProviderType);
    /**
     * transfer out token(not native coin) from source chain to designated token on target chain
     * @param fromAddress
     * @param coreParam
     * @param targetSwapData
     * @param amount amount in minimal unit
     * @param toChain
     * @param targetToAddress
     * @param isNative
     * @param options
     */
    entrance(fromAddress: string, coreParam: ButterCoreParam, targetSwapData: string, amount: string, toChain: string, targetToAddress: string, isNative: boolean, options: TransactionOptions): Promise<ButterTransactionResponse>;
    gasEstimateEntrance(fromAddress: string, coreParam: ButterCoreParam, targetSwapData: string, amount: string, toChain: string, targetToAddress: string, isNative: boolean): Promise<string>;
}