code: public EnumerationValue withSynonyms(String... synonyms) {
          if (this.synonyms == null) {
              setSynonyms(new java.util.ArrayList<String>(synonyms.length));
          }
          for (String ele : synonyms) {
              this.synonyms.add(ele);
          }
          return this;
      }
docs: <p>
  Additional values related to the slot type value.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setSynonyms(java.util.Collection)} or {@link #withSynonyms(java.util.Collection)} if you want to override
  the existing values.
  </p>
  
  @param synonyms
  Additional values related to the slot type value.
  @return Returns a reference to this object so that method calls can be chained together.