code: public void setPolicyTypeDescriptions(java.util.Collection<PolicyTypeDescription> policyTypeDescriptions) {
          if (policyTypeDescriptions == null) {
              this.policyTypeDescriptions = null;
              return;
          }
  
          this.policyTypeDescriptions = new com.amazonaws.internal.SdkInternalList<PolicyTypeDescription>(policyTypeDescriptions);
      }
docs: <p>
  Information about the policy types.
  </p>
  
  @param policyTypeDescriptions
  Information about the policy types.