import type { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';
export type McpLogLevel = 'debug' | 'info' | 'notice' | 'warning' | 'error' | 'critical' | 'alert' | 'emergency';
export declare class LoggerService {
    private static instance;
    private mcpServer;
    private loggerName;
    private constructor();
    static getInstance(loggerName?: string): LoggerService;
    attachServer(server: McpServer): void;
    setLoggerName(name: string): void;
    debug(data: unknown, logger?: string): Promise<void>;
    info(data: unknown, logger?: string): Promise<void>;
    notice(data: unknown, logger?: string): Promise<void>;
    warn(data: unknown, logger?: string): Promise<void>;
    error(data: unknown, logger?: string): Promise<void>;
    log(level: McpLogLevel, data: unknown, logger?: string): Promise<void>;
    private scrub;
}
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