/**
 * Pluggable logger interface for the MCP server manager
 */
/**
 * Log levels supported by the logger
 */
export type LogLevel = 'debug' | 'info' | 'warn' | 'error';
/**
 * Logger interface that can be implemented by any logging system
 */
export interface Logger {
    debug(message: string, context?: Record<string, unknown>): void;
    info(message: string, context?: Record<string, unknown>): void;
    warn(message: string, context?: Record<string, unknown>): void;
    error(message: string, context?: Record<string, unknown>): void;
}
/**
 * Creates a child logger with a prefix
 */
export interface LoggerFactory {
    createLogger(prefix: string): Logger;
}
/**
 * Console-based logger implementation
 */
export declare class ConsoleLogger implements Logger {
    private prefix;
    private minLevel;
    private static readonly levels;
    constructor(prefix?: string, minLevel?: LogLevel);
    private shouldLog;
    private formatMessage;
    debug(message: string, context?: Record<string, unknown>): void;
    info(message: string, context?: Record<string, unknown>): void;
    warn(message: string, context?: Record<string, unknown>): void;
    error(message: string, context?: Record<string, unknown>): void;
}
/**
 * Console logger factory
 */
export declare class ConsoleLoggerFactory implements LoggerFactory {
    private minLevel;
    constructor(minLevel?: LogLevel);
    createLogger(prefix: string): Logger;
}
/**
 * No-op logger that discards all messages
 */
export declare class NoopLogger implements Logger {
    debug(): void;
    info(): void;
    warn(): void;
    error(): void;
}
/**
 * No-op logger factory
 */
export declare class NoopLoggerFactory implements LoggerFactory {
    createLogger(): Logger;
}
/**
 * Sets the default logger factory
 */
export declare function setDefaultLoggerFactory(factory: LoggerFactory): void;
/**
 * Gets the default logger factory
 */
export declare function getDefaultLoggerFactory(): LoggerFactory;
/**
 * Creates a logger using the default factory
 */
export declare function createLogger(prefix: string): Logger;
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