/**
 * Codebase Subway Map Tool
 *
 * Generates a subway/metro map style diagram of files and local imports.
 * Renders as actual transit-style routes with stations, not a tree diagram.
 */
import type { Tool } from "@modelcontextprotocol/sdk/types.js";
export declare const codebaseSubwayMapTool: Tool;
interface ToolResponse {
    content: Array<{
        type: string;
        text: string;
    }>;
    isError?: boolean;
}
export declare function handleCodebaseSubwayMap(args?: Record<string, unknown>): Promise<ToolResponse>;
export {};
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