code: public void setSubnetGroupNames(java.util.Collection<String> subnetGroupNames) {
          if (subnetGroupNames == null) {
              this.subnetGroupNames = null;
              return;
          }
  
          this.subnetGroupNames = new java.util.ArrayList<String>(subnetGroupNames);
      }
docs: <p>
  The name of the subnet group.
  </p>
  
  @param subnetGroupNames
  The name of the subnet group.