void (@NotNull Element panesElement) { for (AbstractProjectViewPane pane : idToPane.values()) { Element paneElement = new Element(ELEMENT_PANE); paneElement.setAttribute(ATTRIBUTE_ID, pane.getId()); try { pane.writeExternal(paneElement); } catch (WriteExternalException e) { continue; } panesElement.addContent(paneElement); } for (Element element : myUninitializedPaneState.values()) { panesElement.addContent(element.clone()); } }