public ListFeatureGroupsResult withFeatureGroupSummaries(FeatureGroupSummary... featureGroupSummaries) {
        if (this.featureGroupSummaries == null) {
            setFeatureGroupSummaries(new java.util.ArrayList<FeatureGroupSummary>(featureGroupSummaries.length));
        }
        for (FeatureGroupSummary ele : featureGroupSummaries) {
            this.featureGroupSummaries.add(ele);
        }
        return this;
    }
<p>
A summary of feature groups.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setFeatureGroupSummaries(java.util.Collection)} or
{@link #withFeatureGroupSummaries(java.util.Collection)} if you want to override the existing values.
</p>

@param featureGroupSummaries
       A summary of feature groups.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-sagemaker/src/main/java/com/amazonaws/services/sagemaker/model/ListFeatureGroupsResult.java