import * as i0 from "@angular/core";
export declare class MaterialListService {
    /**
     * Dynamically set the height of the viewport based on number of items
     * to display.
     * There seems to be an open issue to be able to have the viewport dynamically
     * adjust based on number of items.
     * https://github.com/angular/material2/issues/14037
     */
    getViewportHeight(listLength: number, itemHeight: number): string;
    static ɵfac: i0.ɵɵFactoryDeclaration<MaterialListService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<MaterialListService>;
}