code: @java.lang.SuppressWarnings({ "UnnecessaryBoxing" })
      public boolean containsTag(int tagType)
      {
          return _tagMap.containsKey(Integer.valueOf(tagType));
      }
docs: Indicates whether the specified tag type has been set.
  
  @param tagType the tag type to check for
  @return true if a value exists for the specified tag type, false if not