import { AfterViewInit, OnInit, ElementRef, EventEmitter, TemplateRef } from '@angular/core';
import { MatAutocomplete, FloatLabelType } from '@angular/material';
import { AutocompleteService } from './autocomplete.service';
import { HttpParams } from '@angular/common/http';
import { ControlValueAccessor, FormControl } from '@angular/forms';
export declare class AutocompleteComponent implements AfterViewInit, OnInit, ControlValueAccessor {
    /**
     *  How to use this component:
     *
     *  <ng-mat-autocomplete
     *    placeholder="Search"
     *    [floatLabel]="auto"                          // changes label floating behavior, can be 'always' | 'never' | 'auto'
     *    [minChars] = "2"                             // start fetch items after min chars amount, default is 2
     *    [source]="AutocompleteService | any[]"       // source can be service or array, when array is passed filter is done local
     *    [serviceParams]= "HttpParams"                // sets HttpParams for service fetch function
     *    [doPrefetch]= "false"                        // when active, service do fetch items on init
     *    [clearAfterSearch] = "false"                 // clears input after item select
     *    [hasProgressBar] = "false"                   // adds loading while making request
     *    [hasSearchButton] = "false"                  // adds search button near input
     *    [validationErrors]="errors"                  // string[] every sting in array displays as mat-error
     *
     *    displayItem = "item.name"                    // text will be evaluated and executed, better use displayItemFn for function
     *    [displayTemplate] = "TemplateRef"            // template reference for autocomplete options, displayItem or displayTemplate
     *
     *    [showAddNew] = "false"                       // shows create button when no suggestions
     *    [addNewText] = "'Add new'"                   // text to display near create button
     *    (createNew) = "onCreateNew($event)"      // rises an event when click on create button
     *
     *    [transformResult] = "function"               // callback function to format data from server response
     *    [isFocused]="true"                           // sets focus that triggers fetch
     *
     *    (optionSelected)="onSelectCallback(item)"    // get selected item from event
     *
     *    [formControl]="form.controls['controlName']" // access it as any form control
     *    [(ngModel)]="model.item"                     // or just use model binding
     *    (ngModelChange)="itemSelected($event)"
     *
     *  ></ng-mat-autocomplete>
     */
    source: AutocompleteService | any[];
    name: string;
    placeholder: string;
    floatLabel: FloatLabelType;
    formControl?: FormControl;
    doPrefetch: boolean;
    displayItem?: string;
    hasSearchButton: boolean;
    hasProgressBar: boolean;
    minChars: number;
    clearAfterSearch: boolean;
    showAddNew: boolean;
    addNewText: string;
    isFocused: boolean;
    validationErrors: string[];
    serviceParams?: HttpParams;
    displayItemFn?: (item: any) => string;
    displayTemplate?: TemplateRef<any>;
    transformResult: any;
    modelChange: EventEmitter<any>;
    optionSelected: EventEmitter<{}>;
    createNew: EventEmitter<{}>;
    autocompleteInput: ElementRef;
    autocomplete: MatAutocomplete;
    selectedOption: any;
    query: string;
    autocompleteList: any[] | null;
    request: boolean;
    noSuggestions: boolean;
    requestsInQueue: number;
    private storedItems?;
    private service?;
    private returnType;
    constructor();
    ngOnInit(): void;
    ngAfterViewInit(): void;
    prefetch(): void;
    search(): void;
    fetch(force?: boolean): void;
    filterStoredItems(force?: boolean): void;
    autocompleteSelected($event: any): void;
    autocompleteDisplayFn(): (item: any) => any;
    onKey($event: KeyboardEvent): void;
    onKeyCallback(): void;
    onBlur($event: MouseEvent): void;
    onFocus($event: any): void;
    viewItem(item: any): any;
    clearValue(): void;
    readonly doSearchViaService: boolean;
    onCreateNew(): void;
    private isQueryEmpty(query);
    private isAutocompleteService(object);
    private saveReturnType(items);
    writeValue(val: any): void;
    onChange: any;
    onTouched: any;
    registerOnChange(fn: any): void;
    registerOnTouched(fn: any): void;
    setDisabledState?(isDisabled: boolean): void;
}