code: public void setPolicyLevels(java.util.Collection<String> policyLevels) {
          if (policyLevels == null) {
              this.policyLevels = null;
              return;
          }
  
          this.policyLevels = new java.util.ArrayList<String>(policyLevels);
      }
docs: <p>
  The Policy Level(s) to retrieve review results for - HIT or Assignment. If omitted, the default behavior is to
  retrieve all data for both policy levels. For a list of all the described policies, see Review Policies.
  </p>
  
  @param policyLevels
  The Policy Level(s) to retrieve review results for - HIT or Assignment. If omitted, the default behavior
  is to retrieve all data for both policy levels. For a list of all the described policies, see Review
  Policies.
  @see ReviewPolicyLevel