import { AfterContentInit } from '@angular/core';
import { Observable, Subscription } from 'rxjs';
import { FormControl } from '@angular/forms';
import { MatAutocompleteSelectedEvent } from '@angular/material/autocomplete';
import { AbstractMatFormFieldControl } from './abstract-mat-form-field-control';
import { SelectOption } from './select-option/select-option';
import { SelectOptionProvider } from './select-option/select-option-provider';
import * as i0 from "@angular/core";
export declare abstract class AbstractMatFormFieldSelectControl<T> extends AbstractMatFormFieldControl<T> implements AfterContentInit {
    protected readonly optionProvider: SelectOptionProvider<any> | null;
    protected optionsSubscription?: Subscription;
    private $args;
    private wvt;
    filteredOptions?: Observable<SelectOption[]>;
    inputControl: FormControl<string | null>;
    trackBy: (val: any) => any;
    private options;
    private defaultOptionProvider;
    get empty(): boolean;
    get shouldFilter(): boolean;
    doTrackBy(val: any): any;
    set args(args: any);
    ngAfterContentInit(): void;
    ngOnDestroy(): void;
    seleciona(event: MatAutocompleteSelectedEvent): void;
    doSeleciona(value: any | undefined): void;
    writeValue(value: any): void;
    resolveLabel(item: any): string;
    static ɵfac: i0.ɵɵFactoryDeclaration<AbstractMatFormFieldSelectControl<any>, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<AbstractMatFormFieldSelectControl<any>, "ng-component", never, { "trackBy": { "alias": "trackBy"; "required": false; }; "args": { "alias": "args"; "required": false; }; }, {}, ["options"], never, true, never>;
}