import { Client, TokenAssociateTransaction, TransferTransaction, AccountAllowanceApproveTransaction } from '@hashgraph/sdk';
import { HederaSigner } from '../types/signers/hederaSigner';
export declare class HederaSdkSigner implements HederaSigner {
    accountId: string;
    client: Client;
    constructor(operatorAccountId: string, privateKey: string, mode?: 'mainnet' | 'testnet');
    private executeTransaction;
    associateToken(tx: TokenAssociateTransaction): Promise<{
        readonly transactionHash: string;
        readonly transactionId: import("@hashgraph/sdk").TransactionId;
    }>;
    transfer(tx: TransferTransaction): Promise<{
        readonly transactionHash: string;
        readonly transactionId: import("@hashgraph/sdk").TransactionId;
    }>;
    transferApprovedNft(tx: TransferTransaction): Promise<{
        readonly transactionHash: string;
        readonly transactionId: import("@hashgraph/sdk").TransactionId;
    }>;
    approveNftAllowance(tx: AccountAllowanceApproveTransaction): Promise<{
        readonly transactionHash: string;
        readonly transactionId: import("@hashgraph/sdk").TransactionId;
    }>;
}