import { ElementRef } from '@angular/core';
import { SimpleChanges } from '@angular/core';
import { Observable } from 'rxjs';
export declare class SpinnerInputComponent {
    private elementRef;
    loadingText: string;
    requested$: Observable<any>;
    isLoading: boolean;
    private unsub$;
    constructor(elementRef: ElementRef);
    ngOnChanges(changes: SimpleChanges): void;
    ngOnDestroy(): void;
    private requestedSub;
    private showOrHiddenInputElement;
}