code: @Nullable
      public final EnhancedMimeType getMetaContentType() {
          if ((metaContentType == null) && (metaContentTypeStr != null)) {
              metaContentType = EnhancedMimeType.create(metaContentTypeStr);
          }
          return metaContentType;
      }
docs: Returns the type of the meta data if meta data is available.
  
  @return Meta type.