import { z } from "zod";
export declare const getTableSchemaTool: {
    name: string;
    description: string;
    parameters: {
        clusterUrl: z.ZodString;
        database: z.ZodString;
        tableName: z.ZodString;
        isExternal: z.ZodOptional<z.ZodBoolean>;
    };
    handler: ({ clusterUrl, database, tableName, isExternal }: {
        clusterUrl: string;
        database: string;
        tableName: string;
        isExternal?: boolean;
    }) => Promise<{
        content: {
            type: "text";
            text: string;
        }[];
    }>;
};