import { AfterViewInit, ElementRef, EventEmitter, OnChanges, OnDestroy, SimpleChanges, TemplateRef } from '@angular/core';
import { ControlValueAccessor } from '@angular/forms';
import { MenuTriggerDirective } from '../menu/menu-trigger/menu-trigger.directive';
import * as i0 from "@angular/core";
export declare class InputDropdownComponent<T> implements ControlValueAccessor, AfterViewInit, OnChanges, OnDestroy {
    private readonly _changeDetector;
    /** Define the selected item */
    selected: T;
    /** Filter text */
    filter: string;
    /** Hide the filter input */
    hideFilter: boolean;
    /** Define the max height of the dropdown */
    set maxHeight(value: string | number);
    /** Controls the disabled state of the input-dropdown. */
    disabled: boolean;
    /** Define if null values are allowed */
    allowNull: boolean;
    /** Define the placeholder for the filter input */
    placeholder: string;
    /** Aria label of the filter field. If not specified, the placeholder will be used. */
    ariaLabel: string;
    /** ID of the element which serves as a label for the filter field. */
    ariaLabelledby: string;
    /** Aria label of the search button icon. */
    searchFilterButtonAriaLabel: string;
    /** Aria label of the clear button icon. */
    clearFilterButtonAriaLabel: string;
    /** Emit when the selected item is changed */
    selectedChange: EventEmitter<T>;
    /** Emit when the filter text is changed */
    filterChange: EventEmitter<string>;
    /** Emits when `dropdownOpen` changes. */
    dropdownOpenChange: EventEmitter<boolean>;
    /** The status of the dropdown. */
    dropdownOpen: boolean;
    /** Access the display content template if specified */
    displayContentRef: TemplateRef<void>;
    /** Access the dropdown menu trigger directive */
    menuTrigger: MenuTriggerDirective;
    /** Access the filter text input element */
    filterInputElement: ElementRef<HTMLInputElement>;
    /** Store the max height */
    _maxHeight: string;
    /** Store the filter button aria label */
    _filterButtonAriaLabel: string;
    /** Store the change callback provided by Angular Forms */
    onChange: (_: T) => void;
    /** Store the touched callback provided by Angular Forms */
    onTouched: () => void;
    /** Unsubscribe from all observables on component destroy */
    private readonly _onDestroy$;
    ngOnChanges(changes: SimpleChanges): void;
    ngAfterViewInit(): void;
    ngOnDestroy(): void;
    resetFilter(): void;
    registerOnChange(onChange: (value: T) => void): void;
    registerOnTouched(onTouched: () => void): void;
    writeValue(value: T): void;
    resetValue(event: Event): void;
    setDisabledState(isDisabled: boolean): void;
    onMenuOpen(): void;
    onMenuClose(): void;
    _focusFilter(): void;
    inputFocusHandler(): void;
    toggleMenu(): void;
    setFilterButtonAriaLabel(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<InputDropdownComponent<any>, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<InputDropdownComponent<any>, "ux-input-dropdown", never, { "selected": { "alias": "selected"; "required": false; }; "filter": { "alias": "filter"; "required": false; }; "hideFilter": { "alias": "hideFilter"; "required": false; }; "maxHeight": { "alias": "maxHeight"; "required": false; }; "disabled": { "alias": "disabled"; "required": false; }; "allowNull": { "alias": "allowNull"; "required": false; }; "placeholder": { "alias": "placeholder"; "required": false; }; "ariaLabel": { "alias": "aria-label"; "required": false; }; "ariaLabelledby": { "alias": "ariaLabelledby"; "required": false; }; "searchFilterButtonAriaLabel": { "alias": "searchFilterButtonAriaLabel"; "required": false; }; "clearFilterButtonAriaLabel": { "alias": "clearFilterButtonAriaLabel"; "required": false; }; "dropdownOpen": { "alias": "dropdownOpen"; "required": false; }; }, { "selectedChange": "selectedChange"; "filterChange": "filterChange"; "dropdownOpenChange": "dropdownOpenChange"; }, ["displayContentRef"], ["*"], false, never>;
}