code: public void setStackSetRegions(java.util.Collection<String> stackSetRegions) {
          if (stackSetRegions == null) {
              this.stackSetRegions = null;
              return;
          }
  
          this.stackSetRegions = new java.util.ArrayList<String>(stackSetRegions);
      }
docs: <p>
  One or more AWS Regions where the provisioned product will be available.
  </p>
  <p>
  Applicable only to a <code>CFN_STACKSET</code> provisioned product type.
  </p>
  <p>
  The specified regions should be within the list of regions from the <code>STACKSET</code> constraint. To get the
  list of regions in the <code>STACKSET</code> constraint, use the <code>DescribeProvisioningParameters</code>
  operation.
  </p>
  <p>
  If no values are specified, the default value is all regions from the <code>STACKSET</code> constraint.
  </p>
  
  @param stackSetRegions
  One or more AWS Regions where the provisioned product will be available.</p>
  <p>
  Applicable only to a <code>CFN_STACKSET</code> provisioned product type.
  </p>
  <p>
  The specified regions should be within the list of regions from the <code>STACKSET</code> constraint. To
  get the list of regions in the <code>STACKSET</code> constraint, use the
  <code>DescribeProvisioningParameters</code> operation.
  </p>
  <p>
  If no values are specified, the default value is all regions from the <code>STACKSET</code> constraint.