export interface SendTransactionParams {
    to: string;
    value: string;
    data?: string;
    gasLimit?: string;
    maxFeePerGas?: string;
    maxPriorityFeePerGas?: string;
    rpcUrl?: string;
    privateKey: string;
}
export interface SendTransactionResult {
    hash: string;
    from: string;
    to: string;
    value: string;
    status: 'pending' | 'success' | 'failed';
    blockNumber?: number;
    gasUsed?: string;
}
export declare function sendTransaction(params: SendTransactionParams): Promise<SendTransactionResult>;