import { OnDestroy, ElementRef, OnChanges, EventEmitter, AfterViewInit, OnInit, Renderer2, SimpleChanges, TemplateRef } from '@angular/core';
import { Observable } from 'rxjs';
import { ControlValueAccessor } from '@angular/forms';
import { TypeaheadSettings, TypeaheadSuggestions } from './typeahead.interface';
/***
 * Usage:
 *
 * <typeahead formControlName="myControlName" [suggestions]="['abc', 'def',...]"></typeahead>
 * <typeahead formControlName="myControlName" [suggestions]="Observable.of(['abc', 'def',...])"></typeahead>
 */
export declare class TypeaheadComponent implements ControlValueAccessor, AfterViewInit, OnDestroy, OnInit, OnChanges {
    private elementRef;
    private renderer;
    /** suggestions list - array of strings, objects or Observable */
    suggestions: TypeaheadSuggestions;
    /**
     * template for items in drop down
     * properties exposed are item and index
     **/
    itemTemplate: TemplateRef<any>;
    /** field to use from objects as name */
    nameField: string;
    /** field to use from objects as id */
    idField: string;
    /** allow custom values */
    custom: boolean;
    /** allow multiple values */
    multi: boolean;
    /** use complex suggestions and results */
    complex: boolean;
    /** use complex suggestions and results */
    placeholder: string;
    /** Value of form control */
    settings: Partial<TypeaheadSettings>;
    /** UI Bindings */
    readonly multiBinding: boolean;
    readonly disabledBinding: boolean;
    /** Output value change */
    valueChange: EventEmitter<{}>;
    isDisabled: boolean;
    isExpanded: boolean;
    dropDownClass: string;
    matches: string[] | Object[];
    allMatches: string[] | Object[];
    values: any[];
    private allMatchesSubscription;
    private matchesSubscription;
    private callbackQueue;
    /**
     * Default values for TypeaheadSettings
     * @type TypeaheadSettings
     * @private
     */
    private _settings;
    private _input;
    private _inputChangeEvent;
    private _value;
    private _removeInProgress;
    /**
     * CTOR
     * @param elementRef
     * @param renderer
     */
    constructor(elementRef: ElementRef, renderer: Renderer2);
    focusOutHandler(event: any): void;
    /**
     * On component initialization
     */
    ngOnInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    suggestionsInit(suggestion$: Observable<any>): void;
    /**
     * Init method
     */
    ngAfterViewInit(): void;
    /**
     * Cleanup timeout
     */
    ngOnDestroy(): void;
    /**
     * Value getter
     * @returns {string|string[]}
     */
    /**
     * Value setter
     * @param value
     */
    value: any;
    /**
     * Handle input change event
     * @param {Event} event
     */
    handleInputChange(event: Event): void;
    /**
     * Update value on input change
     * @param event
     */
    handleInput(event: Event | KeyboardEvent): void;
    /**
     * Move through collection on dropdown
     * @param event
     * @param value
     */
    handleButton(event: KeyboardEvent | MouseEvent, value: any): void;
    /**
     * Set value to list of values or as a single value
     * @param value
     * @param {boolean} collapseMenu
     */
    setValue(value: any, collapseMenu?: boolean): void;
    /**
     * Remove value from list of values or clear out the value
     * @param value
     */
    removeValue(value: any): void;
    toggleDropdown(value?: boolean): void;
    /**
     * Write new value
     * @param value
     */
    writeValue(value: any): void;
    /**
     * Set disabled state of the component
     * @param {boolean} value
     */
    setDisabledState(value: boolean): void;
    onChange: (_: any) => void;
    onTouched: () => void;
    registerOnChange(fn: (_: any) => void): void;
    registerOnTouched(fn: () => void): void;
    /**
     * @param {string} searchString
     * @returns {(value: any) => boolean}
     */
    private filterSuggestion(searchString);
    /**
     * Check if value has match
     * @param {string | Object} value
     * @returns {boolean}
     */
    private hasMatch(value);
    /**
     * Get name by parsing id into object
     * @param id
     * @returns {string}
     */
    private extractNameById(id);
    /**
     * Get complex object from id
     * @param id
     * @returns {any}
     */
    private parseObjectById(id);
    /**
     * Extract id field from the complex object by name or return value if it's string
     * @param {string | Object} value
     * @returns {any}
     */
    private extractIdentifier(value);
    /**
     * Extract name from complex object or return value if it's string
     * @param {string | Object} value
     * @returns {any}
     */
    private extractName(value);
}