import { CustomComponent, JQueryPluginExtras, JQueryPluginFn, JQueryPluginPreInitFn } from '../common';
/**
 * A base class that handles shared functionality for custom input components
 */
export declare abstract class CustomInputComponent<TElement extends HTMLElement = HTMLElement> extends CustomComponent<TElement> {
    static readonly CUSTOM_INPUT_ATTR = "iw-custom-input";
    /**
     * Returns a selector string that can be used to find elements bound to a {@link CustomInputComponent} instance.
     *
     * The iw-custom-input attribute is automatically added to any component using {@link CustomInputComponent} so they
     * can be easily identified.
     */
    static readonly CUSTOM_INPUT_SELECTOR: string;
    /**
     * Overridden to return a CSS selector for the host element of the component.
     *
     * @abstract
     */
    static COMPONENT_SELECTOR: string;
    static jQueryPlugin<TExtras extends JQueryPluginExtras, TElement extends HTMLElement = HTMLElement>(controllerName: string, extras?: TExtras, preInit?: JQueryPluginPreInitFn<TElement>): JQueryPluginFn<TElement> & TExtras;
    get hasFocus(): boolean;
    get required(): boolean;
    set required(value: boolean);
    protected constructor($el: JQuery<TElement>);
    /**
     * Returns a string representing the component host element.
     *
     * The string returned contains in order of preference:
     *   - A CSS selector style string with the tag name, "name" attribute and ID, if a "name" is present
     *     (e.g. iw-custom-input#some-id--1[name=the_input])
     *   - A CSS selector style string with the tag name ID
     *     (e.g. iw-custom-input#some-id--1
     */
    getDebugIdentifier(): string;
    protected getDebugIdentifierByName(): string;
}