import { ElementRef, Renderer2 } from '@angular/core';
/**
 * `<labs-vertical-spacing>` is a component that is only concerned with
 * applying vertical outer component spacing. The current supported size
 * values are between **1** and **10**.
 */
export declare class VerticalSpacingComponent {
    private elementRef;
    private renderer;
    set size(value: number);
    /**
     * @ignore
     */
    private _size;
    set sizeTop(value: number);
    /**
     * @ignore
     */
    private _sizeTop;
    set sizeBottom(value: number);
    /**
     * @ignore
     */
    private _sizeBottom;
    constructor(elementRef: ElementRef, renderer: Renderer2);
    private addClasses;
    private removeClasses;
}