import type { LocalAccount } from 'viem/accounts';
import type * as Auth from '../../../internal/Auth.js';
import type * as Db from '../../../db/Db.js';
/** Wraps a managed fee payer to record its signed transaction before broadcast. */
export declare function decorate(options: decorate.Options): LocalAccount;
export declare namespace decorate {
    /** Dependencies used to record one MPP-sponsored transaction. */
    type Options = {
        /** Account that MPPX uses to add the fee-payer signature. */
        account: LocalAccount;
        /** Records the signed transaction before it can reach the network. */
        onSigned: (options: {
            serializedTransaction: `0x${string}`;
        }) => Promise<void>;
    };
}
/** Records a sponsorship and atomically enforces its billing limits. */
export declare function record(options: record.Options): Promise<void>;
export declare namespace record {
    /** Dependencies used to persist one MPP sponsorship. */
    type Options = {
        /** Primary database for billing enforcement and sponsorship state. */
        db: Db.Db;
        /** Cached database used for verified-token reads. */
        dbCached: Db.Db;
        /** API key that requested sponsorship. */
        principal: Extract<Auth.Principal, {
            type: 'api_key';
        }>;
        /** Final fee-payer-signed transaction, before broadcast. */
        serializedTransaction: `0x${string}`;
        /** Platform per-transaction cap in fee-token base units. */
        txFeeLimit: bigint;
    };
}
//# sourceMappingURL=Sponsorship.d.ts.map