import { TDTrinoClient } from '../client/trino';
import { AuditLogger } from '../security/audit-logger';
export interface ListDatabasesResult {
    databases: string[];
}
/**
 * MCP tool for listing all databases in Treasure Data
 */
export declare class ListDatabasesTool {
    private readonly client;
    private readonly auditLogger;
    constructor(client: TDTrinoClient, auditLogger: AuditLogger);
    /**
     * Lists all databases accessible to the user
     * @returns Object containing array of database names
     * @throws {Error} If the query fails
     */
    execute(): Promise<ListDatabasesResult>;
}
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