import { ArgumentsHost, Logger, RpcExceptionFilter } from '@nestjs/common';
import { Observable } from 'rxjs';
export declare class AllExceptionsFilter implements RpcExceptionFilter<any> {
    private readonly logger;
    constructor(logger: Logger);
    handleUnknownError(exception: any, status: string): Observable<never>;
    isError(exception: any): exception is Error;
    catch(exception: any, host: ArgumentsHost): Observable<any>;
    private handleException;
}