import { OnInit } from '@angular/core';
import { MatAutocompleteTrigger } from '@angular/material/autocomplete';
import { FormGroup, AbstractControl } from '@angular/forms';
import { SelectOption, AutocompleteFieldConfig } from '../../models';
import { Observable } from 'rxjs';
export declare class AutocompleteFieldComponent implements OnInit {
    autoInput: MatAutocompleteTrigger;
    config: AutocompleteFieldConfig;
    group: FormGroup;
    options$: Observable<SelectOption[]>;
    filteredOptions$: Observable<SelectOption[]>;
    readonly control: AbstractControl;
    constructor();
    ngOnInit(): void;
    /**
     * The material autocomplete defaults to displaying the options value instead of its label.
     * We only have the value from the selected option to work with, so we have to pass the options
     * through a function called in the template and return the function that the material displayWith
     * input is expecting.
     * @param options the array of options to search for option with corresponding value
     */
    displayLabel(options: SelectOption[]): (value: any) => string;
    /**
     * To follow ARIA standards we want to select the active option on blur.
     * @param event blur event that triggers the handle blur, TODO: remove this parameter if not used by 7/4/19
     */
    handleBlur(_event: FocusEvent): void;
    /**
     * A basic filter function that filters the search string against the label of the options object
     * @param options the array of options to filter
     * @param searchString the string from the input
     */
    defaultFilterFunction(options: SelectOption[], searchString: string): SelectOption[];
}