declare namespace Ext {
    export namespace tree {
        export namespace plugin {
            export interface TreeViewDragDropConfig {
                allowContainerDrops?: boolean;
                allowCopy?: boolean;
                allowParentInserts?: boolean;
                appendOnly?: boolean;
                containerScroll?: object | boolean;
                copy?: boolean;
                ddGroup?: string;
                displayField?: string;
                dragGroup?: string;
                dragText?: string;
                dragZone?: object;
                dropGroup?: string;
                dropZone?: object;
                enableDrag?: boolean;
                enableDrop?: boolean;
                expandDelay?: number;
                id?: string;
                nodeHighlightColor?: string;
                nodeHighlightOnDrop?: boolean;
                nodeHighlightOnRepair?: boolean;
                pluginId?: string;
                sortOnDrop?: boolean;
                stateEvents?: string | [];
            }

            export class TreeViewDragDrop extends Ext.plugin.Abstract  {
                public dragZone?: Ext.view.DragZone;
                public dropZone?: Ext.grid.ViewDropZone;
            }
        }
    }
}