public int __getVersions() {
    Object o = attrs.get(VERSIONS);
    return o != null
      ? Integer.parseInt(o.toString())
      : ColumnFamilyDescriptorBuilder.DEFAULT_MAX_VERSIONS;
  }
Returns the value of the VERSIONS attribute or its default if it is unset
hbase-rest/src/main/java/org/apache/hadoop/hbase/rest/model/ColumnSchemaModel.java