import { ElementRef } from '@angular/core';
export declare type ContainerRef = Window | ElementRef | any;
export interface InfiniteScrollEvent {
    currentScrollPosition: number;
}
export interface PositionElements {
    windowElement: ContainerRef;
    horizontal: boolean;
}
export interface PositionStats {
    height: number;
    scrolledUntilNow: number;
    totalToScroll: number;
}
export interface ScrollerConfig {
    distance: {
        down: number;
        up: number;
    };
    scrollParent?: ContainerRef;
}
export interface ScrollStats {
    isScrollingDown: boolean;
    shouldScroll: boolean;
}