code: func (h *TermsHashImpl) finishDocument() error {
  	if h.nextTermsHash != nil {
  		return h.nextTermsHash.finishDocument()
  	}
  	return nil
  }
docs: // func (h *TermsHash) addField(docInverterPerField *DocInverterPerField,
  // 	fieldInfo *model.FieldInfo) InvertedDocConsumerPerField {
  // 	return newTermsHashPerField(docInverterPerField, h, h.nextTermsHash, fieldInfo)
  // }