import type { TransactionMeta } from '../types.js';
/**
 * Returns the effective recipient of a transaction.
 * For ERC-20/ERC-721/ERC-1155 token transfer methods, the recipient is decoded
 * from the calldata since `txParams.to` is the token contract rather than the
 * address receiving the tokens. For all other transaction types, `txParams.to`
 * is returned as-is.
 *
 * Address poisoning should use {@link getSendRecipients} instead. This helper
 * is for first-time interaction and similar "who are we calling" checks, where
 * the contract `to` is the right address for approves and contract calls.
 *
 * @param transactionMeta - Transaction meta with txParams and type.
 * @returns Effective recipient address, or undefined.
 */
export declare function getEffectiveRecipient(transactionMeta: TransactionMeta): string | undefined;
/**
 * Returns user-chosen send payees for a transaction.
 *
 * Address poisoning compares a candidate against prior recipients the user
 * actually sent to. Protocol addresses (token, Permit2, router, spender) are
 * dapp-supplied and must not be treated as payees.
 *
 * Included:
 * - `simpleSend` `to`, preferring `txParamsOriginal` when present
 * - Decoded `to` / `_to` for ERC-20/721/1155 transfer methods
 * - Decoded `to` for ERC-1155 `safeBatchTransferFrom`
 * - `swapAndSendRecipient` whenever set (only ever a user-entered payee)
 * - Nested batch calls that themselves are sends or token transfers
 * - Untyped transactions with no calldata, treated as legacy native sends
 * - Speed-up transactions (`type: retry`), classified using `originalType`,
 *   since `txParams` are otherwise unchanged from the transaction being sped
 *   up.
 * - Cancellations and retries of cancellations return no payees. Their
 *   original params, nested transactions, and swap-and-send recipient can
 *   remain on the metadata even though none of those sends executed.
 * - A native transfer with no calldata to an address that happens to be a
 *   contract. `determineTransactionType` only returns `simpleSend` when `to`
 *   is not a contract, so these are typed `contractInteraction` even though
 *   the user chose that address as a plain payee.
 *
 * @param transactionMeta - Transaction meta with txParams and type.
 * @returns Deduplicated send recipient addresses, possibly empty.
 */
export declare function getSendRecipients(transactionMeta: TransactionMeta): string[];
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