import { AfterViewInit, ChangeDetectorRef, ElementRef, OnChanges, OnDestroy, OnInit, SimpleChanges } from '@angular/core';
import { DndService, DropTarget } from '@ng-dnd/core';
import { Observable, Subscription } from 'rxjs';
import { DraggedItem, HoverTrigger, RenderContext, SortableSpec } from '../types';
import * as i0 from "@angular/core";
export declare class DndSortable<Data> implements OnChanges, OnInit, AfterViewInit, OnDestroy {
    protected cdr: ChangeDetectorRef;
    protected dnd: DndService;
    protected el: ElementRef<HTMLElement>;
    listId: number | string | symbol;
    horizontal: boolean;
    spec: SortableSpec<Data>;
    children?: Iterable<Data>;
    /**
     * Possible values:
     *
     * - 'halfway' (default): triggers a reorder when you drag halfway over a neighbour
     * - 'fixed': triggers as soon as you move over a neighbouring element. Does not work with variable size elements. */
    hoverTrigger: HoverTrigger;
    /** @ignore */
    private childrenSubject$;
    /** A handy way to subscribe to spec.getList(). */
    children$: Observable<Iterable<Data>>;
    /** @ignore */
    subs: Subscription;
    /** @ignore */
    listSubs: Subscription;
    /**
     * This DropTarget is attached to the whole list.
     *
     * You may monitor it for information like 'is an item hovering over this entire list somewhere?'
     */
    target: DropTarget<DraggedItem<Data>>;
    /** @ignore */
    constructor();
    contextFor(data: Data, index: number): RenderContext<Data>;
    /** @ignore */
    private updateSubscription;
    /** @ignore */
    private getCanDrop;
    /** @ignore */
    private callHover;
    /** @ignore */
    ngOnInit(): void;
    getTargetType(): string | symbol | (string | symbol)[];
    acceptsType(ty: string | symbol | null): boolean;
    /** @ignore */
    ngOnChanges({ spec, listId }: SimpleChanges): void;
    /** @ignore */
    ngAfterViewInit(): void;
    /** @ignore */
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<DndSortable<any>, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<DndSortable<any>, "[dndSortable]", ["dndSortable"], { "listId": { "alias": "listId"; "required": false; }; "horizontal": { "alias": "horizontal"; "required": false; }; "spec": { "alias": "spec"; "required": false; }; "children": { "alias": "children"; "required": false; }; "hoverTrigger": { "alias": "hoverTrigger"; "required": false; }; }, {}, never, never, true, never>;
}