/**
 * Logging utilities for Qwen OAuth Plugin
 */
export declare enum LogLevel {
    DEBUG = 0,
    INFO = 1,
    WARN = 2,
    ERROR = 3
}
export declare const DEBUG: boolean;
export declare function debugLog(message: string, data?: Record<string, unknown>): void;
export declare function infoLog(message: string, data?: Record<string, unknown>): void;
export declare function warnLog(message: string, data?: Record<string, unknown>): void;
export declare function errorLog(message: string, data?: Record<string, unknown>): void;
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