code: public DescribeSecurityGroupReferencesRequest withGroupId(String... groupId) {
          if (this.groupId == null) {
              setGroupId(new com.amazonaws.internal.SdkInternalList<String>(groupId.length));
          }
          for (String ele : groupId) {
              this.groupId.add(ele);
          }
          return this;
      }
docs: <p>
  The IDs of the security groups in your account.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setGroupId(java.util.Collection)} or {@link #withGroupId(java.util.Collection)} if you want to override
  the existing values.
  </p>
  
  @param groupId
  The IDs of the security groups in your account.
  @return Returns a reference to this object so that method calls can be chained together.