String url = FilePaths.pathToIdeaUrl(folderPath);
SourceFolder sourceFolder = contentEntry.addSourceFolder(url, type);
if (generated) {
JpsModuleSourceRoot sourceRoot = sourceFolder.getJpsElement();
JpsElement properties = sourceRoot.getProperties();
if (properties instanceof JavaSourceRootProperties) {
((JavaSourceRootProperties)properties).setForGeneratedSources(true);
}
}
}