import { Context } from '@loopback/core';
import { AnyObject } from '@loopback/repository';
import { IGraphTool } from '../../../graphs';
import { StructuredToolInterface } from '@langchain/core/tools';
import { RunnableToolLike } from '@langchain/core/runnables';
import { VisualizationGraph } from '../visualization.graph';
export declare class GenerateVisualizationTool implements IGraphTool {
    private readonly visualizationGraph;
    private readonly context;
    needsReview: boolean;
    key: string;
    constructor(visualizationGraph: VisualizationGraph, context: Context);
    getValue(result: Record<string, string>): string;
    getMetadata(result: Record<string, string>): AnyObject;
    build(): Promise<StructuredToolInterface | RunnableToolLike>;
    private _getVisualizations;
}