import { OnInit, AfterContentInit, ElementRef, TemplateRef } from '@angular/core';
export declare class InputComponent implements OnInit, AfterContentInit {
    labelClass: boolean;
    wrapper: ElementRef<HTMLDivElement>;
    helperText: string;
    invalid: boolean;
    invalidMessage: string | TemplateRef<any>;
    static counter: number;
    labelID: string;
    constructor();
    ngOnInit(): void;
    ngAfterContentInit(): void;
    isTemplate(value: string | TemplateRef<any>): boolean;
}