void generateDefaultPropertiesFile(final String targetFileName) throws IOException {
    String fileName = StringUtils.trimToNull(targetFileName);
    if (fileName == null) {
      fileName = getDefaultFileName();
    }

    DistributionConfig config = DistributionConfigImpl.createDefaultInstance();
    config.toFile(new File(fileName));
  }
Used by build to generate a default configuration properties file for use by applications
geode-core/src/main/java/org/apache/geode/distributed/internal/DefaultPropertiesGenerator.java