public static File getProductDir() {
    File libdir = findGemFireLibDir();
    if (libdir == null) {
      return new File("").getAbsoluteFile(); // default to current directory
    } else {
      return libdir.getParentFile();
    }
  }
Represents a list of ResourceInst that have been combined together. Note the most common case
is for this class to only own a single ResourceInst.
geode-core/src/main/java/org/apache/geode/internal/SystemAdmin.java