import { BaseCoin as CoinConfig } from '@bitgo/statics';
import { TransactionBuilder as EthTransactionBuilder } from '@bitgo/sdk-coin-eth';
import { TransferBuilder } from './transferBuilder';
export declare class TransactionBuilder extends EthTransactionBuilder {
    protected _transfer: TransferBuilder;
    constructor(_coinConfig: Readonly<CoinConfig>);
    /**
     * Returns the smart contract encoded data
     *
     * @param {string[]} addresses - the contract signers
     * @returns {string} - the smart contract encoded data
     */
    protected getContractData(addresses: string[]): string;
    /** @inheritdoc */
    transfer(data?: string, isFirstSigner?: boolean): TransferBuilder;
}
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