import { PublicKey } from '@solana/web3.js';
import type { Connection } from '@solana/web3.js';
export interface SpendAuthorityState {
    address: string;
    owner: string;
    agent: string;
    token_mint: string;
    per_tx_cap_usd: number;
    daily_cap_usd: number;
    spent_today_usd: number;
    remaining_today_usd: number;
    revoked: boolean;
}
/** PDA `[spend_authority, owner, agent]` (contract spend.rs). */
export declare function spendAuthorityPda(owner: PublicKey, agent: PublicKey): PublicKey;
/**
 * Fetch + decode a SpendAuthority account, or null when the owner has not
 * created one. Layout (spend.rs): disc(8) ++ owner(32) ++ agent(32) ++
 * token_mint(32) ++ per_tx_cap(u64) ++ daily_cap(u64) ++ spent_today(u64) ++
 * day_index(u64) ++ revoked(u8) ++ bump(u8). All whitelisted stablecoins have
 * 6 decimals, so base units convert to USD with 1e6.
 */
export declare function fetchSpendAuthority(connection: Connection, owner: PublicKey, agent: PublicKey): Promise<SpendAuthorityState | null>;
//# sourceMappingURL=spend.d.ts.map