import type { Account } from '../../accounts/types.js';
import { type ParseAccountErrorType } from '../../accounts/utils/parseAccount.js';
import { type EstimateFeesPerGasErrorType } from '../../actions/public/estimateFeesPerGas.js';
import { type EstimateGasErrorType } from '../../actions/public/estimateGas.js';
import { type GetBlockErrorType } from '../../actions/public/getBlock.js';
import { type GetTransactionCountErrorType } from '../../actions/public/getTransactionCount.js';
import type { Client } from '../../clients/createClient.js';
import type { Transport } from '../../clients/transports/createTransport.js';
import { type AccountNotFoundErrorType } from '../../errors/account.js';
import type { GetAccountParameter } from '../../types/account.js';
import type { Chain } from '../../types/chain.js';
import type { GetChain } from '../../types/chain.js';
import type { UnionOmit } from '../../types/utils.js';
import type { FormattedTransactionRequest } from '../../utils/formatters/transactionRequest.js';
import type { AssertRequestErrorType } from '../../utils/transaction/assertRequest.js';
export type PrepareTransactionRequestParameters<TChain extends Chain | undefined = Chain | undefined, TAccount extends Account | undefined = Account | undefined, TChainOverride extends Chain | undefined = Chain | undefined> = UnionOmit<FormattedTransactionRequest<TChainOverride extends Chain ? TChainOverride : TChain>, 'from'> & GetAccountParameter<TAccount> & GetChain<TChain, TChainOverride>;
export type PrepareTransactionRequestReturnType<TChain extends Chain | undefined = Chain | undefined, TAccount extends Account | undefined = Account | undefined, TChainOverride extends Chain | undefined = Chain | undefined> = FormattedTransactionRequest<TChainOverride extends Chain ? TChainOverride : TChain> & GetAccountParameter<TAccount> & GetChain<TChain, TChainOverride>;
export type PrepareTransactionRequestErrorType = AccountNotFoundErrorType | AssertRequestErrorType | ParseAccountErrorType | GetBlockErrorType | GetTransactionCountErrorType | EstimateGasErrorType | EstimateFeesPerGasErrorType;
/**
 * Prepares a transaction request for signing.
 *
 * - Docs: https://viem.sh/docs/actions/wallet/prepareTransactionRequest.html
 *
 * @param args - {@link PrepareTransactionRequestParameters}
 * @returns The transaction request. {@link PrepareTransactionRequestReturnType}
 *
 * @example
 * import { createWalletClient, custom } from 'viem'
 * import { mainnet } from 'viem/chains'
 * import { prepareTransactionRequest } from 'viem/actions'
 *
 * const client = createWalletClient({
 *   chain: mainnet,
 *   transport: custom(window.ethereum),
 * })
 * const request = await prepareTransactionRequest(client, {
 *   account: '0xA0Cf798816D4b9b9866b5330EEa46a18382f251e',
 *   to: '0x0000000000000000000000000000000000000000',
 *   value: 1n,
 * })
 *
 * @example
 * // Account Hoisting
 * import { createWalletClient, http } from 'viem'
 * import { privateKeyToAccount } from 'viem/accounts'
 * import { mainnet } from 'viem/chains'
 * import { prepareTransactionRequest } from 'viem/actions'
 *
 * const client = createWalletClient({
 *   account: privateKeyToAccount('0x…'),
 *   chain: mainnet,
 *   transport: custom(window.ethereum),
 * })
 * const request = await prepareTransactionRequest(client, {
 *   to: '0x0000000000000000000000000000000000000000',
 *   value: 1n,
 * })
 */
export declare function prepareTransactionRequest<TChain extends Chain | undefined, TAccount extends Account | undefined, TChainOverride extends Chain | undefined>(client: Client<Transport, TChain, TAccount>, args: PrepareTransactionRequestParameters<TChain, TAccount, TChainOverride>): Promise<PrepareTransactionRequestReturnType<TChain, TAccount, TChainOverride>>;
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