import { OnInit } from '@angular/core';
import { FormBuilder, FormControl, FormGroup } from '@angular/forms';
import { CreateFileValue, UpdateFileValue } from '@dasch-swiss/dsp-js';
import { NotificationService } from '../../../action/services/notification.service';
import { UploadFileService } from '../../services/upload-file.service';
export declare class UploadFileComponent implements OnInit {
    private readonly _fb;
    private readonly _ns;
    private readonly _ufs;
    parentForm?: FormGroup;
    representation: string;
    readonly fromLabels: {
        upload: string;
        drag_drop: string;
    };
    file: File;
    form: FormGroup;
    fileControl: FormControl;
    isLoading: boolean;
    thumbnailUrl: string;
    constructor(_fb: FormBuilder, _ns: NotificationService, _ufs: UploadFileService);
    ngOnInit(): void;
    /**
     * Adds file and uploads to SIPI, checking before if conditions met
     * @param event DragDrop event containing upload files
     */
    addFile(event: any): void;
    /**
     * Converts file size to display in KB or MB
     * @param val file size to be converted
     */
    convertBytes(val: number): string;
    /**
     * Converts date to a readable format.
     * @param date date to be converted
     */
    convertDate(date: number): string;
    /**
     * Removes the attachment
     */
    deleteAttachment(): void;
    /**
     * Initializes form group
     */
    initializeForm(): void;
    /**
     * Resets form group
     */
    resetForm(): void;
    /**
     * Create a new file value.
     */
    getNewValue(): CreateFileValue | false;
    /**
     * Create an updated file value.
     *
     * @param id the current file value's id.
     */
    getUpdatedValue(id: string): UpdateFileValue | false;
    /**
     * Checks if added file type is supported for certain resource type
     * @param fileType file type to be checked
     */
    private _isFileTypeSupported;
    /**
     * Returns supported file types list for certain resource type
     */
    private _supportedFileTypes;
    /**
     * Checks if more than one file dropped
     * @param files files array to be checked
     */
    private _isMoreThanOneFile;
}