code: public void setSkillTypes(java.util.Collection<String> skillTypes) {
          if (skillTypes == null) {
              this.skillTypes = null;
              return;
          }
  
          this.skillTypes = new java.util.ArrayList<String>(skillTypes);
      }
docs: <p>
  The types of skills.
  </p>
  
  @param skillTypes
  The types of skills.