if (fAddedImports.contains(qualifiedTypeName)) return;
	public void addImport(String qualifiedTypeName) {		int index= qualifiedTypeName.lastIndexOf('.');		if (index == -1)	// no default package			return;		if ("java.lang".equals(qualifiedTypeName.substring(0, index)))			return;		fAddedImports.add(qualifiedTypeName);	}