/** Core */
import { CoreComponent } from "cmf.core/src/core";
import Cmf from "cmf.lbos";
/** Nested modules */
import * as TransactionWizardPackage from "../../directives/transactionWizard/transactionWizard";
import { PageBag } from "cmf.core.controls/src/components/page/pageBag";
/** Angular */
import * as ng from "@angular/core";
import { WizardEventArgs } from "cmf.core.controls/src/components/wizard/wizardDef";
/**
 * Api path where the upload is made
 */
export declare const UPLOAD_FILE_API_PATH = "api/GenericService/UploadAttachment";
/**
 * Key for the file in the upload request data
 */
export declare const UPLOAD_FILE_REQUEST_DATA_KEY = "attachment-file";
/**
 * @whatItDoes
 *
 * This wizard will enable an user to associate to an entity instance
 * a file or an Url as Attachment
 *
 * @howToUse
 *
 * Generic.Attachments.Add
 *
 * ### Inputs:
 *
 * ### Outputs:
 *
 * ### Example
 * To use the wizard one can invoke via action
 *
 * ```javascript
 * this.framework.sandbox.navigation.navigateByAction(this._router, "Generic.Attachments.Add", {
 *       instance: this.instance,
 *      preSelectedAttachment: file
 *   }, this._elementRef);
 * ```
 *
 * * @description
*
* ## EntityAttachments Component
*
* ### Dependencies
*
* #### Components
* * _This component depends on WizardModule,TransactionWizardModule,ValidatorModule, StepAttachments and RadioModule components_
*
* #### Services
* * _This component does not depend on any service_
*
* #### Directives
* _This component does not depend on any directive_
*
*/
export declare class WizardAttachments extends CoreComponent implements TransactionWizardPackage.TransactionWizardInterface {
    private _pageBag;
    private _elementRef;
    private _stepAttachments;
    /**
     * Supported file extensions
     */
    supportedFileExtensions: string[];
    /**
     * Pre-selected attachment file, if filled wizard on load will
     * automatically fill the file field with the preselected one
     */
    preSelectedAttachment: File;
    /**
     * Entity instance for which the attachment will be set
     */
    instance: Cmf.Foundation.BusinessObjects.Entity;
    /**
     * Constructor
     *
     * @param viewContainerRef the reference to the component view container
     */
    constructor(viewContainerRef: ng.ViewContainerRef, _pageBag: PageBag, _elementRef: ng.ElementRef);
    /**
     * Load all supported file extensions on wizard init
     */
    onWizardInit(args: WizardEventArgs): void;
    /**
     * @param args transaction wizard input args
     */
    prepareTransactionInput(args: TransactionWizardPackage.TransactionWizardArgs): Promise<Cmf.Foundation.BusinessOrchestration.BaseInput>;
    /**
     * Uploads a file to the host and returns the temporary path were it was stored
     * @param file File to upload
     * @returns promise to a string with the path
     */
    private uploadFile;
    /**
     * @param output result of the query output
     */
    handleTransactionOutput(output: Cmf.Foundation.BusinessOrchestration.BaseOutput): Promise<any>;
}
export declare class WizardAttachmentsModule {
}