import { HawkSearchComponents, VisualSearchFieldComponentConfig } from '../../../configuration';
import { SearchResponse, VisualSearchFieldComponentModel } from '../../../models';
import { BaseComponent } from '../../base.component';
/**
 * The Visual Search component contains a file input element that allows users to search using images to find other similar images. It supports .jpg, .jpeg, .webp and .gif image formats. It supports max 4MB filesize.
 *
 * ## Tag
 * The tag for this component is `<hawksearch-visual-search-field>`.
 *
 * ## Event-Binding Attributes
 * | Name | Value |
 * | :- | :- |
 * | hawksearch-file-input | |
 * | hawksearch-drop-area | |
 * | hawksearch-display | |
 *
 * ## Default Template
 * The following is the default Handlebars template for this component. To create a custom template, it is recommended to use this as a starting point.
 * {@embed ./visual-search-field.component.hbs}
 *
 * @category Search
 */
export declare class VisualSearchFieldComponent extends BaseComponent<VisualSearchFieldComponentConfig, SearchResponse, VisualSearchFieldComponentModel> {
    protected componentName: keyof HawkSearchComponents;
    protected deprecatedComponentName: "visualsearch-field";
    protected defaultHtml: string;
    protected bindFromEvent: boolean;
    private clickEventHandler;
    private previousValue;
    private maxSize;
    private allowedExtensions;
    private handleFiles;
    connectedCallback(): void;
    disconnectedCallback(): void;
    protected getContentModel(): VisualSearchFieldComponentModel;
    protected onRender(): void;
    private isValidFile;
    private triggerUploadFailed;
}