export declare enum LogLevel {
    DEBUG = 0,
    INFO = 1,
    WARN = 2,
    ERROR = 3,
    NONE = 4
}
export interface LogContext {
    module?: string;
    operation?: string;
    traceId?: string;
    duration?: number;
    error?: Error | unknown;
    [key: string]: unknown;
}
export interface LoggerConfig {
    verbose: boolean;
    level: LogLevel;
    showTimestamp: boolean;
    showCaller: boolean;
    showTrace: boolean;
    indent: string;
}
export declare const LEVEL_NAMES: Record<LogLevel, string>;
export declare function getConfig(): LoggerConfig;
export declare function configureLogger(options: Partial<LoggerConfig>): void;
export declare function setVerbose(verbose: boolean): void;
export declare function getTimestamp(): string;
export declare function formatValue(value: unknown, depth?: number): string;
export declare function formatContext(context?: LogContext): string;
export declare function generateTraceId(): string;
export declare function formatBytes(bytes: number): string;
export declare function formatDuration(ms: number): string;
/**
 * 格式化日志消息
 */
export declare function formatLogMessage(level: LogLevel, message: string, context?: LogContext, ...args: unknown[]): string;