import { ArgumentsHost, ExceptionFilter } from '@nestjs/common';
import { Observable } from 'rxjs';
import { LoggerService } from '../logger/logger.service';
export declare class CustomExceptionFilter implements ExceptionFilter {
    private readonly _logger;
    private readonly _instance;
    constructor(_logger: LoggerService, _instance: string);
    catch(err: any, host: ArgumentsHost): Observable<any>;
}