/**
 * 全局日志实例
 */
export declare const logger: import("consola").ConsolaInstance;
/**
 * 创建带标签的日志实例
 */
export declare function createLogger(tag: string): import("consola").ConsolaInstance;
/**
 * 格式化文件大小
 */
export declare function formatFileSize(bytes: number): string;
/**
 * 格式化压缩率
 */
export declare function formatCompressionRatio(ratio: number): string;
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