import { LogLevel } from '../../shared/logger/log-level';
interface AppLoggerConfig {
    level: LogLevel;
    endpoint: string;
    headers: Record<string, string>;
}
/**
 * A logger class for logging connector app messages.
 *
 * - Connector code can utilize the static methods directly without requiring explicit initialization.
 * - All logged messages will be displayed in the browser console and written to the connector's log file.
 *
 * @class AppLogger
 */
export declare class AppLogger {
    private static instance;
    private constructor();
    /** @ignore */
    static init(config: AppLoggerConfig): void;
    /**
     * Logs an information message.
     *
     * @example
     * Logger.info('This is an information message.');
     */
    static info(message: unknown): void;
    /**
     * Logs an error message.
     *
     * @example
     * Logger.error('This is an error message.');
     */
    static error(message: unknown): void;
    /**
     * Logs a warning message.
     *
     * @example
     * Logger.warn('This is a warning message.');
     */
    static warn(message: unknown): void;
    /**
     * Logs a debug message.
     *
     * @example
     * Logger.debug('This is a debug message.');
     */
    static debug(message: unknown): void;
    /** @ignore */
    static flush(): void;
}
export {};