import { CallHandler, ExecutionContext, NestInterceptor } from '@nestjs/common';
import { Observable } from 'rxjs';
import { MinioService } from '../minio.service';
export declare class MinioFileInterceptor implements NestInterceptor {
    private readonly minioService;
    private readonly logger;
    constructor(minioService: MinioService);
    intercept(context: ExecutionContext, next: CallHandler): Observable<any>;
    private transformUrls;
    private validateFile;
}