import { AfterContentInit, ElementRef, EventEmitter } from '@angular/core';
import { ControlValueAccessor } from '@angular/forms';
import * as i0 from "@angular/core";
export declare class Item {
    text: string;
    value: string;
    constructor(source: any, textKey: string, valueKey: string);
}
export declare const MD2_AUTOCOMPLETE_CONTROL_VALUE_ACCESSOR: any;
/** Change event object emitted by Md2Autocomplete. */
export declare class Md2AutocompleteChange {
    source: Md2Autocomplete;
    value: any;
}
export declare class Md2Autocomplete implements AfterContentInit, ControlValueAccessor {
    private _element;
    constructor(_element: ElementRef);
    ngAfterContentInit(): void;
    change: EventEmitter<any>;
    textChange: EventEmitter<any>;
    private _value;
    private _readonly;
    private _required;
    private _disabled;
    private _isInitialized;
    _onChange: (value: any) => void;
    _onTouched: () => void;
    private _items;
    _list: Array<Item>;
    private selectedItem;
    private noBlur;
    _focusedOption: number;
    _inputValue: string;
    _inputFocused: boolean;
    id: string;
    tabindex: number;
    placeholder: string;
    textKey: string;
    valueKey: string;
    minLength: number;
    get readonly(): boolean;
    set readonly(value: boolean);
    get required(): boolean;
    set required(value: boolean);
    get disabled(): boolean;
    set disabled(value: boolean);
    set items(value: Array<any>);
    get value(): any;
    set value(value: any);
    /**
     * Compare two vars or objects
     * @param o1 compare first object
     * @param o2 compare second object
     * @return boolean comparation result
     */
    private equals;
    get isMenuVisible(): boolean;
    /**
     * update scroll of suggestion menu
     */
    private updateScroll;
    /**
     * input event listner
     * @param event
     */
    _handleKeyup(event: KeyboardEvent): void;
    _handleKeydown(event: KeyboardEvent): void;
    /**
     * select option
     * @param event
     * @param index of selected item
     */
    _selectOption(event: Event, index: number): void;
    /**
     * clear selected suggestion
     */
    _onClear(): void;
    /**
     * update value
     */
    private updateValue;
    /**
     * component focus listener
     */
    private onFocus;
    /**
     * input focus listener
     */
    _handleFocus(): void;
    /**
     * input blur listener
     */
    _handleBlur(): void;
    /**
     * suggestion menu mouse enter listener
     */
    _handleMouseEnter(): void;
    /**
     * suggestion menu mouse leave listener
     */
    _handleMouseLeave(): void;
    /**
     * Update suggestion to filter the query
     * @param query
     */
    private updateItems;
    _emitChangeEvent(): void;
    writeValue(value: any): void;
    registerOnChange(fn: (value: any) => void): void;
    registerOnTouched(fn: () => {}): void;
    setDisabledState(isDisabled: boolean): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<Md2Autocomplete, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<Md2Autocomplete, "md2-autocomplete", ["md2Autocomplete"], { "id": { "alias": "id"; "required": false; }; "tabindex": { "alias": "tabindex"; "required": false; }; "placeholder": { "alias": "placeholder"; "required": false; }; "textKey": { "alias": "item-text"; "required": false; }; "valueKey": { "alias": "item-value"; "required": false; }; "minLength": { "alias": "min-length"; "required": false; }; "readonly": { "alias": "readonly"; "required": false; }; "required": { "alias": "required"; "required": false; }; "disabled": { "alias": "disabled"; "required": false; }; "items": { "alias": "items"; "required": false; }; "value": { "alias": "value"; "required": false; }; }, { "change": "change"; "textChange": "textChange"; }, never, never, false, never>;
}