/**
 * Strategy seam for the optional multi-record transaction service.
 * `runTransaction` is only reachable through `withTransactions()`
 * exported from `@noy-db/hub/tx`. Consumers who don't use
 * `db.transaction(fn)` ship none of the ~288 LOC.
 *
 * @internal
 */
import type { Noydb } from '../../kernel/noydb.js';
import type { TxContext, AmendmentTxOptions } from './transaction.js';
import type { DryRunResult } from './dry-run.js';
import type { TransactionInvariant } from './invariants.js';
/**
 * @internal
 */
export interface TxStrategy {
    runTransaction<T>(db: Noydb, fn: (tx: TxContext) => Promise<T> | T, options?: AmendmentTxOptions, txInvariants?: ReadonlyArray<TransactionInvariant>): Promise<T>;
    runDryRun(db: Noydb, fn: (tx: TxContext) => unknown): Promise<DryRunResult>;
}
/**
 * @internal
 */
export declare const NO_TX: TxStrategy;