import { ElementRef } from '@angular/core';
export declare class NgxFullpageService {
    wrapper: ElementRef;
    sectionsNumber: number;
    section: number;
    scrollHeight: number;
    constructor();
    addWrapper(wrapper: ElementRef<any>, section: number): void;
    scroll(direction: number): void;
    goNext: () => void;
    goPrev: () => void;
    goTo: (section: number) => void;
    goLast(): void;
    adjustSection: (section: number) => number;
    adjustScroll(scroll: number): number;
    private setNumberInRange;
}