import * as firebase from "firebase/app";
import { OrmUploadTask } from "./upload.task.reference.interface";
/**
 * Represents a reference to a Arbel ORM and Google Cloud Storage object. Developers can
 * upload, download, and delete objects, as well as get/set object metadata.
 */
export interface StorageReference extends firebase.storage.Reference {
    getRef(): firebase.storage.Reference;
    uploadFromUrl(url: string, onProcessingCallback?: CallableFunction, onErrorCallback?: CallableFunction, onFinishCallback?: CallableFunction): OrmUploadTask;
    uploadFile(data: any, metadata?: firebase.storage.UploadMetadata, onProcessingCallback?: CallableFunction, onErrorCallback?: CallableFunction, onFinishCallback?: CallableFunction): OrmUploadTask;
    uploadString(data: string, format?: firebase.storage.StringFormat, metadata?: firebase.storage.UploadMetadata, onProcessingCallback?: CallableFunction, onErrorCallback?: CallableFunction, onFinishCallback?: CallableFunction): OrmUploadTask;
}