export declare enum LoadStrategy {
    OnVisible = 0,
    PctOfVisibleElem = 1,
    AheadOfVisElem = 2,
    PctOfTotElem = 3
}
export declare enum UnloadStrategy {
    KeepLoaded = 0,
    LeavLoadedRange = 1
}
export interface Settings {
    loadStrategy: LoadStrategy;
    unloadStrategy: UnloadStrategy;
    percent?: number;
    factor?: number;
    number?: number;
}