docs: public HIT withQualificationRequirements(QualificationRequirement... qualificationRequirements) {
          if (this.qualificationRequirements == null) {
              setQualificationRequirements(new java.util.ArrayList<QualificationRequirement>(qualificationRequirements.length));
          }
          for (QualificationRequirement ele : qualificationRequirements) {
              this.qualificationRequirements.add(ele);
          }
          return this;
      }