/**
 * SQL Mode 2 — Transactions
 *
 * BEGIN/COMMIT/ROLLBACK → MongoDB ClientSession
 * Multi-statement blocks split by semicolons, executed sequentially.
 */
import type { ExecutionPlan, ParsedStatement, SqlMode2Dialect } from './types.js';
/**
 * Parse a transaction block into individual statements.
 */
export declare function parseTransactionBlock(sql: string, _dialect?: SqlMode2Dialect): ParsedStatement[];
/**
 * Build execution plans for each statement in a transaction.
 */
export declare function planTransaction(statements: ParsedStatement[], _dialect?: SqlMode2Dialect): ExecutionPlan;
/**
 * Check if a SQL string contains a ROLLBACK statement.
 */
export declare function hasRollback(sql: string): boolean;
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