import { BaseCoin as CoinConfig } from '@bitgo/statics';
import { TransactionBuilder as AbstractTransactionBuilder } from '@bitgo/abstract-eth';
import { TransferBuilder } from './transferBuilder';
export declare class TransactionBuilder extends AbstractTransactionBuilder {
    protected _transfer: TransferBuilder;
    private _signatures;
    constructor(_coinConfig: Readonly<CoinConfig>);
    /** @inheritdoc */
    transfer(data?: string, isFirstSigner?: boolean): TransferBuilder;
    addSignature(publicKey: any, signature: any): void;
    protected getContractData(addresses: string[]): string;
}
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