/**
 * 标记 x402x-evm 的支付签名类型（新协议字段）。
 */
type PermitType = 'eip3009' | 'permit' | 'permit2';
type Eip3009Authorization = {
    from: `0x${string}`;
    to: `0x${string}`;
    value: string;
    validAfter: string;
    validBefore: string;
    nonce: `0x${string}`;
};
type PermitAuthorization = {
    owner: `0x${string}`;
    spender: `0x${string}`;
    value: string;
    deadline: string;
    nonce: string;
};
type ExactX402xEvmPayload = {
    authorization: Eip3009Authorization;
    signature: `0x${string}`;
} | {
    authorization: PermitAuthorization;
    signature: `0x${string}`;
} | {
    authorization: Record<string, unknown>;
    signature: `0x${string}`;
};

export type { ExactX402xEvmPayload as E, PermitType as P, PermitAuthorization as a, Eip3009Authorization as b };