import { Environment } from '../configuration/models/environment';
declare class LogService {
    static sharedInstance: LogService;
    private _environment;
    private _isLoggingEnabled;
    set environment(env: Environment | null);
    enableLogging(): void;
    logError(message: string, ...optionalParams: any[]): void;
    logInfo(message: string): void;
    logWarning(message: string, ...optionalParams: any[]): void;
    log(message: string): void;
}
declare const _default: LogService;
export default _default;