import { ElementRef, OnDestroy, OnInit } from '@angular/core';
import { AcField } from '../../models/field';
import { FormControl, FormGroup } from '@angular/forms';
import { FloatLabelType, MatFormFieldAppearance } from '@angular/material/form-field';
import { AcAffix } from '../../models/affix';
import { AcHint } from '../../models/hint';
import { MatChipInputEvent } from '@angular/material/chips';
import { FieldChipsAutocompleteConfig } from '../../models/field-chips-autocomplete-config';
import { Observable } from 'rxjs';
import { MatAutocomplete, MatAutocompleteSelectedEvent } from '@angular/material/autocomplete';
export declare class FieldChipsAutocompleteComponent implements OnInit, OnDestroy, AcField {
    separatorKeysCodes: number[];
    appearance: MatFormFieldAppearance;
    floatLabel: FloatLabelType;
    field: FieldChipsAutocompleteConfig;
    group: FormGroup;
    ctrl: FormControl;
    filteredOptions: Observable<string[]>;
    private unsubcribe$;
    private options;
    itemInput: ElementRef<HTMLInputElement>;
    matAutocomplete: MatAutocomplete;
    get values(): any;
    constructor(separatorKeysCodes: number[], appearance: MatFormFieldAppearance, floatLabel: FloatLabelType);
    ngOnInit(): void;
    buttonAction(event: MouseEvent, b: AcAffix | AcHint): void;
    add(event: MatChipInputEvent): void;
    remove(item: string): void;
    selected(event: MatAutocompleteSelectedEvent): void;
    private onValueChange;
    private _filter;
    ngOnDestroy(): void;
}