import { z } from 'zod';
import { TableService } from '../../../../ports/index.js';
import { BaseTool } from './tool.js';
/**
 * Input type for the list tables tool.
 */
type ListTablesInput = {
    filter?: Record<string, unknown>;
};
/**
 * Output type for the list tables tool.
 */
type ListTablesOutput = {
    tables: {
        id: string;
        name: string;
        description?: string;
        entryCount: number;
    }[];
};
/**
 * Tool for listing tables.
 */
export declare class ListTablesTool extends BaseTool<ListTablesInput, ListTablesOutput> {
    private readonly tableService;
    /**
     * Creates a new ListTablesTool instance.
     * @param tableService The table service to use.
     */
    constructor(tableService: TableService);
    /**
     * Gets the name of the tool.
     * @returns The tool name.
     */
    protected getToolName(): string;
    /**
     * Gets the description of the tool.
     * @returns The tool description.
     */
    protected getToolDescription(): string;
    /**
     * Gets the input schema for the tool.
     * @returns The input schema.
     */
    protected getInputSchema(): z.ZodType<ListTablesInput>;
    /**
     * Gets the output schema for the tool.
     * @returns The output schema.
     */
    protected getOutputSchema(): z.ZodType<ListTablesOutput>;
    /**
     * Implements the tool execution logic.
     * @param args The validated tool arguments.
     * @returns The tool result.
     */
    protected executeImpl(args: ListTablesInput): Promise<ListTablesOutput>;
}
export {};