if (yangToSourcesProcessor == null) {
List<CodeGeneratorArg> codeGeneratorArgs = processCodeGenerators(codeGenerators);
// defaults to ${basedir}/src/main/yang
File yangFilesRootFile = processYangFilesRootDir(yangFilesRootDir, project.getBasedir());
if (yangToSourcesProcessor == null) {
List<CodeGeneratorArg> codeGeneratorArgs = processCodeGenerators(codeGenerators);
// defaults to ${basedir}/src/main/yang
File yangFilesRootFile = processYangFilesRootDir(yangFilesRootDir, project.getBasedir());