import { EventEmitter } from "../../stencil-public-runtime";
import { SortableEvent } from "sortablejs";
import { SwirlTreeViewItemKeyboardMoveEvent } from "../swirl-tree-view-item/swirl-tree-view-item";
export type SwirlTreeViewSemantics = "tree" | "list";
export type SwirlTreeViewDropItemEvent = Pick<SortableEvent, "oldIndex" | "newIndex" | "item"> & {
    itemId: string;
    newNextSiblingItemId: string | undefined;
    newPrevSiblingItemId: string | undefined;
    sourceParentItemId: string;
    targetParentItemId: string;
};
export type SwirlTreeViewCanDropHandler = (location: {
    parentId: string;
    position: number;
}) => boolean;
/**
 * @slot slot - The tree view items
 */
export declare class SwirlTreeView {
    el: HTMLSwirlTreeViewElement;
    canDrop?: SwirlTreeViewCanDropHandler;
    dragDropInstructions: {
        cannotBeDropped: string;
        end: string;
        initial: string;
        moved: string;
        start: string;
    };
    dragDropItemSelector?: string;
    enableDragDrop?: boolean;
    initiallyExpandedItemIds?: string[];
    label: string;
    semantics?: SwirlTreeViewSemantics;
    dropItem: EventEmitter<SwirlTreeViewDropItemEvent>;
    itemExpansionChanged: EventEmitter<{
        itemId: string;
        expanded: boolean;
    }>;
    liveRegionText: string;
    private listElement?;
    private sortable;
    componentDidLoad(): void;
    disconnectedCallback(): void;
    handleEnableDragDropChange(): void;
    expandItems(itemIds: string[]): Promise<void>;
    onItemDrop(event: CustomEvent<SwirlTreeViewDropItemEvent>): void;
    onKeyDown(event: KeyboardEvent): void;
    onItemSelected(event: Event): void;
    onExpandedChange(event: CustomEvent): void;
    onEndKeyboardMove(event: CustomEvent<SwirlTreeViewItemKeyboardMoveEvent>): void;
    onStartKeyboardMove(event: CustomEvent<SwirlTreeViewItemKeyboardMoveEvent>): void;
    onKeyboardMove(event: CustomEvent<SwirlTreeViewItemKeyboardMoveEvent>): void;
    private init;
    private setUpDragDrop;
    private selectFirstItem;
    private selectLastItem;
    private expandSelectedItem;
    private collapseSelectedItem;
    private selectNextItem;
    private selectPreviousItem;
    private unselectAllItems;
    private getItems;
    private getSelectedItem;
    private isItemExpanded;
    private getNextSibling;
    private getPreviousSibling;
    private updateLiveRegionText;
    private onSlotChange;
    private onFocus;
    private onBlur;
    render(): any;
}