List<String> allPackages = new ArrayList<String>(
data.projectPackages);
allPackages.addAll(data.sdkPackages);
String importMessage = getPromptMessage(allPackages);
AddImportFix fix = new AddImportFix(data.sdkPackages,
data.projectPackages, file,
editor);
GoLiteralIdentifier identifier = data.identifier;
int start = identifier.getTextOffset();
int end = identifier.getTextRange().getEndOffset();