import sql from "mssql";
export interface SQLTransactionConfig {
    isolationLevel?: sql.IIsolationLevel;
}
export interface SQLTransactionOperation<T, R> {
    execute(transaction: sql.Transaction, data: T): Promise<R>;
}
export declare class SQLTransactionManager {
    private connection;
    constructor(connection: sql.ConnectionPool);
    /**
     * Executes a transaction with the given operation and data, manages rollbacks
     * @param operation The SQLTransactionOperation to execute
     * @param data The sql input parameters to pass to the operation
     * @param config The configuration for the transaction
     * @returns The result of the operation; throws exceptions on failures
     */
    executeTransaction<T, R>(operation: SQLTransactionOperation<T, R>, data: T, config?: SQLTransactionConfig): Promise<R | undefined>;
}
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