import { AnyObject } from '@loopback/repository';
import { IGraphTool } from '../../../graphs';
import { DbQueryGraph } from '../db-query.graph';
import { DbQueryConfig } from '../types';
import { StructuredToolInterface } from '@langchain/core/tools';
import { RunnableToolLike } from '@langchain/core/runnables';
export declare class ImproveDatasetTool implements IGraphTool {
    private readonly queryPipeline;
    private readonly config;
    needsReview: boolean;
    key: string;
    constructor(queryPipeline: DbQueryGraph, config: DbQueryConfig);
    getValue(result: Record<string, string>): string;
    getMetadata(result: Record<string, string>): AnyObject;
    build(): Promise<StructuredToolInterface | RunnableToolLike>;
}