import { TransactionBuilder as EthLikeTransactionBuilder } from '@bitgo/abstract-eth';
import { PublicKey } from '@bitgo/sdk-core';
import { BaseCoin as CoinConfig } from '@bitgo/statics';
import { TransferBuilder } from './';
export declare class TransactionBuilder extends EthLikeTransactionBuilder {
    protected _transfer: TransferBuilder;
    private _signatures;
    constructor(_coinConfig: Readonly<CoinConfig>);
    /** @inheritdoc */
    transfer(data?: string, isFirstSigner?: boolean): TransferBuilder;
    /**
     * Add a signature to the transaction
     * @param publicKey - The public key associated with the signature
     * @param signature - The signature to add
     */
    addSignature(publicKey: PublicKey, signature: Buffer): void;
    /** @inheritdoc */
    coinUsesNonPackedEncodingForTxData(): boolean;
}
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