import { IQueryResult } from './IQueryResult';
/**
 * Transaction interface for ACID operations
 */
export interface ITransaction {
    /** Unique transaction identifier */
    id: string;
    /**
     * Execute query within transaction
     * @template T - Type of rows returned
     * @param sql - SQL query string
     * @param params - Query parameters
     * @returns Query result
     */
    query<T = any>(sql: string, params?: any[]): Promise<IQueryResult<T>>;
    /**
     * Commit transaction changes
     * @throws Error if transaction is not active
     */
    commit(): Promise<void>;
    /**
     * Rollback transaction changes
     * @throws Error if transaction is not active
     */
    rollback(): Promise<void>;
    /**
     * Check if transaction is active
     * @returns true if transaction is active
     */
    isActive(): boolean;
    /**
     * Create a savepoint within the transaction
     * @param name - Savepoint name
     * @throws Error if transaction is not active
     */
    savepoint?(name: string): Promise<void>;
    /**
     * Rollback to a specific savepoint
     * @param name - Savepoint name
     * @throws Error if transaction is not active
     */
    rollbackToSavepoint?(name: string): Promise<void>;
    /**
     * Release a savepoint
     * @param name - Savepoint name
     * @throws Error if transaction is not active
     */
    releaseSavepoint?(name: string): Promise<void>;
}
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