code: public void setPolicyVersions(java.util.Collection<PolicyVersion> policyVersions) {
          if (policyVersions == null) {
              this.policyVersions = null;
              return;
          }
  
          this.policyVersions = new java.util.ArrayList<PolicyVersion>(policyVersions);
      }
docs: <p>
  The policy versions.
  </p>
  
  @param policyVersions
  The policy versions.