import { AfterViewChecked, ElementRef, OnChanges, OnDestroy, SimpleChanges } from '@angular/core';
import { Subject } from 'rxjs';
import * as i0 from "@angular/core";
export declare class NgOptionComponent implements OnChanges, AfterViewChecked, OnDestroy {
    elementRef: ElementRef<HTMLElement>;
    value: any;
    disabled: boolean;
    readonly stateChange$: Subject<{
        value: any;
        disabled: boolean;
        label?: string;
    }>;
    private _previousLabel;
    constructor(elementRef: ElementRef<HTMLElement>);
    get label(): string;
    ngOnChanges(changes: SimpleChanges): void;
    ngAfterViewChecked(): void;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<NgOptionComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<NgOptionComponent, "ng-option", never, { "value": { "alias": "value"; "required": false; }; "disabled": { "alias": "disabled"; "required": false; }; }, {}, never, ["*"], false, never>;
    static ngAcceptInputType_disabled: unknown;
}