/**
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
 */
import { CdkVirtualScrollViewport } from "@angular/cdk/scrolling";
import { OnChanges, SimpleChanges, TrackByFunction } from "@angular/core";
import { EoNgTreeVirtualNodeData } from "./node";
import { EoNgTreeNodeOutletDirective } from "./outlet";
import { EoNgTreeView } from "./tree";
import * as i0 from "@angular/core";
export declare class EoNgTreeVirtualScrollViewComponent<T> extends EoNgTreeView<T> implements OnChanges {
    readonly nodeOutlet: EoNgTreeNodeOutletDirective;
    readonly virtualScrollViewport: CdkVirtualScrollViewport;
    nzItemSize: number;
    nzMinBufferPx: number;
    nzMaxBufferPx: number;
    trackBy: TrackByFunction<T>;
    nodes: Array<EoNgTreeVirtualNodeData<T>>;
    innerTrackBy: TrackByFunction<EoNgTreeVirtualNodeData<T>>;
    ngOnChanges(changes: SimpleChanges): void;
    renderNodeChanges(data: T[] | readonly T[]): void;
    private createNode;
    static ɵfac: i0.ɵɵFactoryDeclaration<EoNgTreeVirtualScrollViewComponent<any>, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<EoNgTreeVirtualScrollViewComponent<any>, "eo-ng-tree-virtual-scroll-view", ["nzTreeVirtualScrollView"], { "nzItemSize": "nzItemSize"; "nzMinBufferPx": "nzMinBufferPx"; "nzMaxBufferPx": "nzMaxBufferPx"; "trackBy": "trackBy"; }, {}, never, never, false, never>;
}