import { CallHandler, ExecutionContext, NestInterceptor } from "@nestjs/common";
import { Observable } from "rxjs";
import { FileUploadOptions } from "../interfaces/file-upload-options.interface";
export declare class FormDataInterceptor implements NestInterceptor {
    private globalConfig;
    private reflect;
    constructor(globalConfig: FileUploadOptions);
    intercept(context: ExecutionContext, next: CallHandler): Promise<Observable<any>>;
    private isFormData;
}