/**
 * Node.js logger factory
 *
 * Wraps a LoggingService instance to implement the LoggerFactory interface.
 * Each NodeLoggerFactory holds its own LoggingService, avoiding
 * module-level mutable state.
 *
 * Uses `console.error` (stderr) by default — the standard Node.js behaviour.
 * A future WorkersLoggerFactory could pass `console.log` or a no-op instead.
 */
import type { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';
import type { Logger, LoggerFactory, WriteStderrFn } from '../../core/services/interfaces/index.js';
export declare class NodeLoggerFactory implements LoggerFactory {
    private readonly service;
    /**
     * @param writeStderr - Optional writer function. Defaults to `console.error`
     *   (Node.js stderr). Override for testing or alternative output targets.
     */
    constructor(writeStderr?: WriteStderrFn);
    createLogger(name: string): Logger;
    setServer(server: McpServer): void;
}
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