import { EventEmitter } from '@angular/core';
import { FileItem } from './file-item.interface';
export declare class FileUploader {
    /**
     * Counter used to create unique ids for file-uploader components
     */
    static fileUploaderCount: number;
    /**
     * Accessible text for the button that opens the upload window.
     *
     * Defaults to the `FILE_UPLOADER.OPEN` value from the i18n service
     */
    buttonText: string;
    /**
     * Type set for button
     */
    buttonType: 'primary' | 'basic' | 'plain' | 'destructive' | 'outline_white';
    /**
     * Text set to the title
     */
    title: string;
    /**
     * Text set to the description
     */
    description: string;
    /**
     * Specify the types of files that the input should be able to receive
     */
    accept: any[];
    /**
     * Set to `false` to tell the component to only accept a single file on upload.
     *
     * Defaults to `true`. Accepts multiple files.
     */
    multiple: boolean;
    /**
     * Set to `true` for a loading file uploader.
     */
    skeleton: boolean;
    /**
     * Sets the size of the button.
     */
    size: 'sm' | 'normal';
    /**
     * Provides a unique id for the underlying <input> node
     */
    fileUploaderId: string;
    /**
     * Maintains a reference to the view DOM element of the underlying <input> node
     */
    fileInput: any;
    /**
     * The list of files that have been submitted to be uploaded
     */
    files: Set<FileItem>;
    filesChange: EventEmitter<any>;
    baseClass: boolean;
    protected onTouchedCallback: () => void;
    protected onChangeCallback: (_: Set<FileItem>) => void;
    constructor();
    /**
     * Specifies the property to be used as the return value to `ngModel`
     */
    value: Set<FileItem>;
    onBlur(): void;
    /**
     * Propagates the injected `value`.
     */
    writeValue(value: Set<FileItem>): void;
    onFilesAdded(): void;
    removeFile(fileItem: any): void;
    /**
     * Registers the injected function to control the touch use of the `FileUploader`.
     */
    registerOnTouched(fn: any): void;
    /**
     * Sets a method in order to propagate changes back to the form.
     */
    registerOnChange(fn: any): void;
}