import { type Address } from "@morpho-org/blue-sdk";
import type { ERC20ApprovalAction, Requirement, Transaction } from "../../types";
/**
 * Get token "requirement" for permit2.
 *
 * Two steps:
 * 1. Verify if the allowance is enough on permit2 contract.
 * => If not, approve the token to permit2 contract with classic approval on infinite amount.
 * 2. Verify if the allowance is enough on general adapter from permit2 contract.
 * => If not, approve the token to general adapter from permit2 contract with permit2 signature on the required amount.
 *
 * @param params - Destructured object with:
 * @param params.address - ERC20 token address.
 * @param params.chainId - Chain/network id.
 * @param params.permit2 - Permit2 contract address.
 * @param params.args - Object with:
 * @param params.args.amount - Required token amount.
 * @param params.allowancesGeneralAdapter - Allowance for general adapter from permit2 contract.
 * @param params.allowancesPermit2 - Allowance for permit2.
 * @param params.allowanceGeneralAdapterPermit2 - Allowance for general adapter from permit2 contract.
 * @param params.allowanceGeneralAdapterExpiration - Expiration for general adapter from permit2 contract.
 * @param params.nonce - Nonce for permit2.
 * @returns An array of approval transaction or requirement signatures objects.
 */
export declare const getRequirementsPermit2: (params: {
    address: Address;
    chainId: number;
    permit2: Address;
    args: {
        amount: bigint;
    };
    allowancesPermit2: bigint;
    allowancesGeneralAdapter: bigint;
    allowanceGeneralAdapterPermit2: bigint;
    allowanceGeneralAdapterExpiration: bigint;
    nonce: bigint;
}) => Readonly<Transaction<ERC20ApprovalAction> | Requirement>[];