Part part; if(docId == lastDoc && lastPart != null) { part = lastPart; return part; } else part = (Part) map.get(docId);
if(docId == lastDoc && lastPart != null) return lastPart; Part part = (Part) map.get(docId);
	private final Part getPart(int docId, boolean create, int sizeHint) {		Part part;		if(docId == lastDoc && lastPart != null) {			part = lastPart;			return part;		} else			part = (Part) map.get(docId);		if(part == null && create) {			part = new Part(sizeHint);			map.put(docId, part);		}		lastPart = part;		lastDoc = docId;		return part;	}