public ListRecommendationFeedbackRequest withUserIds(String... userIds) {
        if (this.userIds == null) {
            setUserIds(new java.util.ArrayList<String>(userIds.length));
        }
        for (String ele : userIds) {
            this.userIds.add(ele);
        }
        return this;
    }
<p>
An Amazon Web Services user's account ID or Amazon Resource Name (ARN). Use this ID to query the recommendation
feedback for a code review from that user.
</p>
<p>
The <code>UserId</code> is an IAM principal that can be specified as an Amazon Web Services account ID or an
Amazon Resource Name (ARN). For more information, see <a href=
"https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_policies_elements_principal.html#Principal_specifying"
> Specifying a Principal</a> in the <i>Amazon Web Services Identity and Access Management User Guide</i>.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setUserIds(java.util.Collection)} or {@link #withUserIds(java.util.Collection)} if you want to override
the existing values.
</p>

@param userIds
       An Amazon Web Services user's account ID or Amazon Resource Name (ARN). Use this ID to query the
       recommendation feedback for a code review from that user.</p>
       <p>
       The <code>UserId</code> is an IAM principal that can be specified as an Amazon Web Services account ID or
       an Amazon Resource Name (ARN). For more information, see <a href=
       "https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_policies_elements_principal.html#Principal_specifying"
       > Specifying a Principal</a> in the <i>Amazon Web Services Identity and Access Management User Guide</i>.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-codegurureviewer/src/main/java/com/amazonaws/services/codegurureviewer/model/ListRecommendationFeedbackRequest.java