import { ElementRef, Renderer2, OnInit } from '@angular/core';
declare enum FormLayout {
    Horizontal = "horizontal",
    Vertical = "vertical",
    columns = "columns"
}
export declare class FormDirective implements OnInit {
    private elementRef;
    private renderer;
    layout: FormLayout;
    labelSize: 'sm' | '' | 'lg';
    constructor(elementRef: ElementRef, renderer: Renderer2);
    ngOnInit(): void;
}
export {};