import { TDTrinoClient } from '../client/trino';
import { AuditLogger } from '../security/audit-logger';
import { QueryValidator } from '../security/query-validator';
export interface ExecuteResult {
    affectedRows?: number;
    message: string;
}
/**
 * MCP tool for executing write operations (UPDATE, DELETE, INSERT, etc.)
 */
export declare class ExecuteTool {
    private readonly client;
    private readonly auditLogger;
    private readonly queryValidator;
    private readonly enableUpdates;
    constructor(client: TDTrinoClient, auditLogger: AuditLogger, queryValidator: QueryValidator, enableUpdates: boolean);
    /**
     * Executes a write operation SQL statement
     * @param sql - SQL statement to execute
     * @returns Execution result with affected rows and status message
     * @throws {Error} If write operations are disabled, parameters are invalid, or execution fails
     */
    execute(sql: string): Promise<ExecuteResult>;
}
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