src/vs/workbench/contrib/scm/browser/dirtydiffDecorator.ts/DirtyDiffWidget/_fillHead
class DirtyDiffWidget:	protected override _fillHead(container: HTMLElement): void {
		super._fillHead(container, true);

		const previous = this.instantiationService.createInstance(UIEditorAction, this.editor, new ShowPreviousChangeAction(this.editor), ThemeIcon.asClassName(gotoPreviousLocation));
		const next = this.instantiationService.createInstance(UIEditorAction, this.editor, new ShowNextChangeAction(this.editor), ThemeIcon.asClassName(gotoNextLocation));

		this._disposables.add(previous);
		this._disposables.add(next);

		const actions: IAction[] = [];
		createAndFillInActionBarActions(this.menu, { shouldForwardArgs: true }, actions);
		this._actionbarWidget!.push(actions.reverse(), { label: false, icon: true });
		this._actionbarWidget!.push([next, previous], { label: false, icon: true });
		this._actionbarWidget!.push(new Action('peekview.close', nls.localize('label.close', "Close"), Codicon.close.classNames, true, () => this.dispose()), { label: false, icon: true });
	}