/**
 * Logging utilities for Qwen OAuth plugin
 */
type LogLevel = "debug" | "info" | "warn" | "error";
interface LogEntry {
    service: string;
    level: LogLevel;
    message: string;
    extra?: Record<string, unknown>;
}
export declare function setLoggerClient(client: {
    app: {
        log: (entry: {
            body: LogEntry;
        }) => Promise<void>;
    };
}): void;
export declare function log(level: LogLevel, message: string, data?: Record<string, unknown>): Promise<void>;
export declare const debugLog: (message: string, data?: Record<string, unknown>) => Promise<void>;
export declare const infoLog: (message: string, data?: Record<string, unknown>) => Promise<void>;
export declare const warnLog: (message: string, data?: Record<string, unknown>) => Promise<void>;
export declare const errorLog: (message: string, data?: Record<string, unknown>) => Promise<void>;
export {};
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