import { Observable } from 'rxjs';
import { NgtAttachmentHttpService } from '../../../../../services/http/ngt-attachment-http.service';
import { NgtDropzonePreviewType } from '../../../../../meta/ngt-dropzone.meta';
import * as i0 from "@angular/core";
export interface UploadFilesResult {
    uploadedFiles: any[];
    uploadedAttachments: any[];
    unacceptedFiles: File[];
}
export declare class NgtReactiveDropzoneFileService {
    private ngtAttachmentHttpService;
    constructor(ngtAttachmentHttpService: NgtAttachmentHttpService);
    uploadFiles(files: File[], remoteResource: any, unacceptedFileType?: string): Promise<UploadFilesResult>;
    loadFilePreview(attachments: any[]): Promise<any[]>;
    downloadFile(attachment: any): Observable<any>;
    isImage(resource: any, previewType: NgtDropzonePreviewType): boolean;
    isVideo(resource: any, previewType: NgtDropzonePreviewType): boolean;
    isAudio(resource: any): boolean;
    isFile(resource: any, previewType: NgtDropzonePreviewType): boolean;
    getFormattedFileSize(resource: any): string;
    resetFilesLoad(files: any[]): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<NgtReactiveDropzoneFileService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<NgtReactiveDropzoneFileService>;
}