import type { Chain } from '../providers/uniswap/index.js';
import type { Account, Address, BaseUnits, ControlFlowOptions, FeeValuesEIP1559, NativeUnits } from '../types.js';
import type { Abi, Client } from 'viem';
/**
 * Parameters for the {@link swapExactIn} function.
 */
export type SwapExactInParams = {
    /** The token to swap from. */
    tokenIn: Address | {
        address: Address;
        abi?: Abi;
    };
    /** The amount of the token to swap from */
    tokenInAmount: NativeUnits | BaseUnits;
    /** The token to swap to. */
    tokenOut: Address | {
        address: Address;
        abi?: Abi;
    };
    /** The minimum amount of the token to receive from the swap. This is used to protect against slippage. */
    tokenOutAmount?: NativeUnits | BaseUnits;
    /** The account address that will execute the transaction */
    account: Address | Account;
    /** Gas limit for the transaction */
    gas?: bigint;
    /** The fee values for the transaction */
    fees?: FeeValuesEIP1559;
    /** The blockchain network on which the transaction will be executed. */
    chain?: Chain;
};
export type SwapExactInParamsReturnType = Address;
/**
 * Swaps an exact amount of one token for another token
 *
 * @param client - The client instance to use for the operation.
 * @param params - Parameters for the operation
 * @returns The address of the transaction that was executed.
 */
export declare function swapExactIn(client: Client, params: SwapExactInParams & ControlFlowOptions): Promise<SwapExactInParamsReturnType>;