/**-----------------------------------------------------------------------------------------
* Copyright © 2025 Progress Software Corporation. All rights reserved.
* Licensed under commercial license. See LICENSE.md in the project root for more information
*-------------------------------------------------------------------------------------------*/
import { HttpHeaders } from '@angular/common/http';
import { FileInfo } from '../types';
import { PreventableEvent } from './preventable-event';
/**
 * Arguments for the `upload` event. The `upload` event fires when one or more files are about
 * to be uploaded. If you cancel the event, the upload is prevented. You can add headers to the request.
 *
 * ```ts-no-run
 *  @Component({
 *    selector: 'my-upload',
 *    template: `
 *    <kendo-upload
 *      [saveUrl]="uploadSaveUrl"
 *      [removeUrl]="uploadRemoveUrl"
 *      (upload)="uploadEventHandler($event)">
 *    </kendo-upload>
 *    `
 *  })
 *  export class UploadComponent {
 *    uploadSaveUrl = 'saveUrl'; // should represent an actual API endpoint
 *    uploadRemoveUrl = 'removeUrl'; // should represent an actual API endpoint
 *
 *    uploadEventHandler(e: UploadEvent) {
 *      e.headers = e.headers.append('X-Foo', 'Bar');
 *    }
 *  }
 * ```
 */
export declare class UploadEvent extends PreventableEvent {
    /**
     * The optional object that is sent to the `upload` handler in the form of key/value pair.
     *
     * ```ts-no-run
     *  @Component({
     *    selector: 'my-upload',
     *    template: `
     *    <kendo-upload
     *      [saveUrl]="uploadSaveUrl"
     *      [removeUrl]="uploadRemoveUrl"
     *      (upload)="uploadEventHandler($event)">
     *    </kendo-upload>
     *    `
     *  })
     *  export class UploadComponent {
     *    uploadSaveUrl = 'saveUrl'; // should represent an actual API endpoint
     *    uploadRemoveUrl = 'removeUrl'; // should represent an actual API endpoint
     *
     *    uploadEventHandler(e: UploadEvent) {
     *      e.data = {
     *        description: 'File description'
     *      };
     *    }
     *  }
     * ```
     */
    data: Object;
    /**
     * The list of the files that will be uploaded.
     */
    files: Array<FileInfo>;
    /**
     * The headers of the request.
     */
    headers: HttpHeaders;
    /**
     * @hidden
     * Constructs the event arguments for the `upload` event.
     * @param files - The list of the files that will be uploaded.
     * @param headers - The headers of the request.
     */
    constructor(files: Array<FileInfo>, headers: HttpHeaders);
}