/**
 * Logging system for the Architecture Diagram Generator
 * Provides progress tracking, statistics, and formatted output
 */
/**
 * Log level enumeration
 */
export declare enum LogLevel {
    DEBUG = 0,
    INFO = 1,
    WARN = 2,
    ERROR = 3
}
/**
 * Statistics tracked during generation
 */
export interface GenerationStats {
    filesDiscovered: number;
    filesParsed: number;
    parseErrors: number;
    nodesCreated: number;
    edgesCreated: number;
    externalServicesDetected: number;
    startTime: Date;
    endTime?: Date;
    duration?: number;
}
/**
 * Logger class for tracking progress and statistics
 */
export declare class Logger {
    private logLevel;
    private stats;
    private startTime;
    constructor(logLevel?: LogLevel);
    /**
     * Log a debug message
     */
    debug(message: string, data?: unknown): void;
    /**
     * Log an info message
     */
    info(message: string): void;
    /**
     * Log a warning message
     */
    warn(message: string): void;
    /**
     * Log an error message
     */
    error(message: string): void;
    /**
     * Log a success message
     */
    success(message: string): void;
    /**
     * Log a section header
     */
    section(title: string): void;
    /**
     * Log a subsection
     */
    subsection(title: string): void;
    /**
     * Log progress during file discovery
     */
    logDiscoveryProgress(routesCount: number, apiCount: number, componentsCount: number, utilitiesCount: number, configCount?: number): void;
    /**
     * Log parsing progress
     */
    logParsingProgress(parsedCount: number, errorCount: number, duration: number, cacheHits?: number, cacheMisses?: number): void;
    /**
     * Log graph building progress
     */
    logGraphProgress(nodeCount: number, edgeCount: number, externalServiceCount: number): void;
    /**
     * Log diagram generation progress
     */
    logDiagramProgress(mode: string, nodeCount: number, edgeCount: number): void;
    /**
     * Log output progress
     */
    logOutputProgress(outputPath: string): void;
    /**
     * Log parse errors with details
     */
    logParseErrors(errors: Array<{
        file: string;
        error: string;
    }>): void;
    /**
     * Log final summary statistics
     */
    logSummary(): void;
    /**
     * Get current statistics
     */
    getStats(): GenerationStats;
    /**
     * Reset statistics
     */
    resetStats(): void;
}
/**
 * Get or create the global logger instance
 */
export declare function getLogger(logLevel?: LogLevel): Logger;
/**
 * Reset the global logger
 */
export declare function resetLogger(): void;
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