import { ElementRef, EventEmitter, OnDestroy } from '@angular/core';
import { I18nInterface, I18nService } from 'ng-devui/i18n';
import { Message } from 'ng-devui/toast';
import { Observable, Subscription } from 'rxjs';
import { FileUploader } from './file-uploader.class';
import { IFileOptions, IUploadOptions } from './file-uploader.types';
import { SelectFiles } from './select-files.utils';
import { UploadComponent } from './upload.class';
import * as i0 from "@angular/core";
export declare class UploadDirective extends UploadComponent implements OnDestroy {
    private selectFiles;
    private i18n;
    uploadOptions: IUploadOptions;
    fileOptions: IFileOptions;
    uploadedFiles: Array<Object>;
    fileUploaders: Array<FileUploader>;
    enableDrop: boolean;
    dynamicUploadOptionsFn: (files: any, uploadOptions: any) => IUploadOptions;
    beforeUpload: (file: any) => boolean | Promise<boolean> | Observable<boolean>;
    fileOver: EventEmitter<boolean>;
    fileDrop: EventEmitter<any>;
    successEvent: EventEmitter<Array<{
        file: File;
        response: any;
    }>>;
    errorEvent: EventEmitter<{
        file: File;
        response: any;
    }>;
    alertMsgEvent: EventEmitter<Message[]>;
    fileSelect: EventEmitter<File[]>;
    errorMsg: any[];
    protected element: ElementRef;
    i18nText: I18nInterface['upload'];
    i18nSubscription: Subscription;
    private onChange;
    private onTouched;
    constructor(selectFiles: SelectFiles, i18n: I18nService, element: ElementRef);
    writeValue(files: any): void;
    registerOnChange(fn: any): void;
    registerOnTouched(fn: any): void;
    simulateSelectFiles(files: any): Promise<unknown>;
    onClick(): void;
    _dealFiles(observale: any): void;
    checkSameName(): void;
    checkValid(): void;
    uploadFiles(): void;
    onFileSelect(files: any): void;
    onDrop(event: any): void;
    onDragOver(event: any): void;
    onDragLeave(event: any): any;
    protected _getTransfer(event: any): any;
    protected _preventAndStop(event: any): any;
    protected _haveFiles(types: any): any;
    canUpload(): Promise<boolean>;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<UploadDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<UploadDirective, "[dUpload]", ["dUpload"], { "uploadOptions": { "alias": "uploadOptions"; "required": false; }; "fileOptions": { "alias": "fileOptions"; "required": false; }; "uploadedFiles": { "alias": "uploadedFiles"; "required": false; }; "fileUploaders": { "alias": "fileUploaders"; "required": false; }; "enableDrop": { "alias": "enableDrop"; "required": false; }; "dynamicUploadOptionsFn": { "alias": "dynamicUploadOptionsFn"; "required": false; }; "beforeUpload": { "alias": "beforeUpload"; "required": false; }; }, { "fileOver": "fileOver"; "fileDrop": "fileDrop"; "successEvent": "successEvent"; "errorEvent": "errorEvent"; "alertMsgEvent": "alertMsgEvent"; "fileSelect": "fileSelect"; }, never, never, false, never>;
}