import { PublicClient } from 'viem';
import type { AuthorizedAccount, ReadOnlyAccount } from './account';
import { Activity } from './activities';
import { BundlerConfig } from './bundler';
import { EvmAddress, GasCostEstimate, TransactionValue } from './types';
/**
 * Configuration for sending a transfer
 */
export interface SendTransferConfig {
    /** The authorized account to send from */
    authorizedAccount: AuthorizedAccount;
    /** The amount to transfer */
    amount: TransactionValue;
    /** The destination address */
    to: EvmAddress;
    /** Optional ERC-20 token address (omit for native token) */
    token?: EvmAddress;
    /** Public client for chain interactions */
    publicClient: PublicClient;
    /** Bundler config for sending user operations */
    bundlerConfig: BundlerConfig;
    /** Pre-computed gas limits; when provided, bypasses eth_estimateUserOperationGas */
    gasLimits?: GasCostEstimate;
}
/**
 * Result of a completed transfer (ENG-170).
 */
export type SendTransferResult = {
    activity: Activity;
    txHash: `0x${string}`;
    userOpHash: `0x${string}`;
};
/**
 * Sends a transfer transaction
 *
 * Handles both native token transfers and ERC-20 token transfers.
 *
 * @param config The transfer configuration
 * @returns The transfer result with activity and on-chain tx identifiers
 *
 * @throws {Error} If the transaction fails to send
 */
export declare function sendTransfer({ authorizedAccount, amount, to, token, publicClient, bundlerConfig, gasLimits }: SendTransferConfig): Promise<SendTransferResult>;
type TransferGasCostEstimateParams = {
    /** The read-only account to use for estimation */
    readOnlyAccount: ReadOnlyAccount;
    /** The destination address or domain name */
    to: EvmAddress;
    /** Optional ERC-20 token address (omit for native token) */
    token?: EvmAddress;
    /** The amount to transfer */
    amount: TransactionValue;
    /** Public client for chain interactions */
    publicClient: PublicClient;
    /** Bundler config for sending user operations */
    bundlerConfig: BundlerConfig;
};
/**
 * Get the estimated gas cost for a transfer
 *
 * @param config The gas cost estimate configuration
 * @returns The gas cost estimate
 */
export declare function getTransferGasCostEstimate({ readOnlyAccount, to, token, amount, publicClient, bundlerConfig }: TransferGasCostEstimateParams): Promise<GasCostEstimate>;
export {};