/**
 * Represents a spending permission with limits
 */
export type SpendPermission = {
    /** UTC timestamp for when the permission was granted */
    createdAt?: number;
    /** Hash of the permission in hex format */
    permissionHash?: string;
    /** Cryptographic signature in hex format */
    signature: string;
    /** Chain ID */
    chainId?: number;
    /** The permission details */
    permission: {
        /** Wallet address of the account */
        account: string;
        /** Address of the contract/entity allowed to spend */
        spender: string;
        /** Address of the token being spent */
        token: string;
        /** Maximum amount allowed as base 10 numeric string */
        allowance: string;
        /** Time period in seconds */
        period: number;
        /** Start time in unix seconds */
        start: number;
        /** Expiration time in unix seconds */
        end: number;
        /** Salt as base 10 numeric string */
        salt: string;
        /** Additional data in hex format */
        extraData: string;
    };
};
export type Eip1193Provider = {
    request: (params: {
        method: string;
        params?: unknown[];
    }) => Promise<unknown>;
};
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