import { NkRibbonOptions } from './models/nkRibbon.options';
import { NkRibbonItem } from './models/nkRibbon.item';
import { EventEmitter } from '@angular/core';
import { Observable } from 'rxjs';
export declare class NkRibbonRepeater {
    private _beforeContent;
    private _afterContent;
    private _repeatContainer;
    private _scrollParent;
    private startIndex;
    private endIndex;
    private _prevStartIndex;
    private _prevEndIndex;
    private _minStartIndex;
    private _maxEndIndex;
    private _beforeLoaderHeight;
    private scrollHelper;
    private _sizesCumulative;
    private _defaultElementSize;
    get defaultElementSize(): number;
    set defaultElementSize(val: number);
    private _offsetData;
    get offsetData(): number;
    set offsetData(val: number);
    private _totalCount;
    get totalCount(): number;
    set totalCount(val: number);
    private _isInitialized;
    get isInitialized(): boolean;
    private _vsCollection;
    get $vsCollection(): Array<NkRibbonItem>;
    set $vsCollection(val: Array<NkRibbonItem>);
    private _options;
    get options(): NkRibbonOptions;
    get originalCount(): number;
    private _originalCollection;
    get originalCollection(): Array<NkRibbonItem>;
    set originalCollection(val: Array<NkRibbonItem>);
    private get virtualCollectionLength();
    private _oldOriginalCollection;
    private _oldOriginalCount;
    scrolledToEnd: () => Observable<any>;
    scrolledToStart: () => Observable<any>;
    onScrolling: EventEmitter<NkRibbonItem>;
    constructor(repeatContainer?: HTMLElement, options?: NkRibbonOptions);
    initialize(collection: Array<NkRibbonItem>, offsetStart: number, totalCount: number): void;
    refresh(totalCount: number, offsetStart?: number, isRestoreScroll?: boolean): void;
    destroy(): void;
    setScrollParent(): void;
    updateCollection(collection: Array<NkRibbonItem>): void;
    updateOriginalCollection(collection: Array<NkRibbonItem>): void;
    buildRepeatContainer(): void;
    initializeBeforeContentElement(): void;
    initializeAfterContentElement(): void;
    getSizeElement(): number;
    getDefaultElementSize(): number;
    getClientSize(element: any, sizeProp: string): number;
    getScrollOffset(vsElement: any, scrollElement: any): number;
    setOffsetViewPort(previosLoadCount?: number, correct?: number): void;
    calculateOffset(previosLoadCount: number, correct: number): any;
    private $scrollPosition;
    updateInnerCollection(): void;
    updateInnerCollectionWithDynamicSizesAfterPreviosLoad(withCorrect?: boolean): void;
    private _scrollHandler;
    getScrollHandler(): any;
    reinitialize(): void;
    setOffsetAfterFirstLoad(): void;
    setScrollTopAfterFirstLoad(): void;
    updateInnerCollectionAfterPreviosPageLoading(): void;
    setScroll(top: number): void;
    scrolling(item: NkRibbonItem): void;
    setScrollTopByItem(top: number): void;
    recalculateDynamicSizes(): void;
}