import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
export declare class FileLogger {
    private filePath;
    private server;
    constructor(filePath: string, server: McpServer);
    log(message: string, ...args: unknown[]): void;
    private formatServerInfo;
    private formatClientName;
    private formatClientVersion;
    private formatClientCapabilities;
}