src/vs/workbench/browser/parts/editor/editorDropTarget.ts/EditorDropTarget/constructor
class EditorDropTarget:	constructor(
		private accessor: IEditorGroupsAccessor,
		private container: HTMLElement,
		private readonly delegate: IEditorDropTargetDelegate,
		@IThemeService themeService: IThemeService,
		@IConfigurationService private readonly configurationService: IConfigurationService,
		@IInstantiationService private readonly instantiationService: IInstantiationService
	) {
		super(themeService);

		this.registerListeners();
	}