import { Subscription } from 'rxjs';
export declare class DebugService {
    isDebug: boolean;
    private destroy$;
    private debugSub;
    constructor();
    destroy(): void;
    private writeMessage;
    log(...msg: any): void;
    warn(...msg: any): void;
    error(...msg: any): void;
    info(...msg: any): void;
    useDebugMode(): Subscription;
}