public String valuesAsString() {
    StringBuilder sb = new StringBuilder(80);
    sb.append(className);
    for (Map.Entry<String, String> entry : variables.entrySet()) {
      sb.append(',').append(entry.getKey()).append(':').append(entry.getValue());
    }
    return sb.toString();
  }
A class used to store the names of dataserializable classes and the sizes of their
toData/fromData methods.
geode-junit/src/main/java/org/apache/geode/codeAnalysis/ClassAndVariableDetails.java