docs: public DBCluster withVpcSecurityGroups(VpcSecurityGroupMembership... vpcSecurityGroups) {
          if (this.vpcSecurityGroups == null) {
              setVpcSecurityGroups(new com.amazonaws.internal.SdkInternalList<VpcSecurityGroupMembership>(vpcSecurityGroups.length));
          }
          for (VpcSecurityGroupMembership ele : vpcSecurityGroups) {
              this.vpcSecurityGroups.add(ele);
          }
          return this;
      }