docs: private float lengthNorm(FieldInvertState state, int numTerms) {
  
          if (state.getName().equals(CmsSearchField.FIELD_CONTENT)) {
              numTerms = state.getLength() - state.getNumOverlap();
              // special length norm for content
              return (float)(3.0 / (Math.log(1000 + numTerms) / LOG10));
          }
          // all other fields use the default Lucene implementation
          return (float)(1 / Math.sqrt(numTerms));
      }