code: public void setPolicyVersionList(java.util.Collection<PolicyVersion> policyVersionList) {
          if (policyVersionList == null) {
              this.policyVersionList = null;
              return;
          }
  
          this.policyVersionList = new com.amazonaws.internal.SdkInternalList<PolicyVersion>(policyVersionList);
      }
docs: <p>
  A list containing information about the versions of the policy.
  </p>
  
  @param policyVersionList
  A list containing information about the versions of the policy.