public ListClustersRequest withInclude(String... include) {
        if (this.include == null) {
            setInclude(new java.util.ArrayList<String>(include.length));
        }
        for (String ele : include) {
            this.include.add(ele);
        }
        return this;
    }
<p>
Indicates whether external clusters are included in the returned list. Use '<code>all</code>' to return <a
href="https://docs.aws.amazon.com/eks/latest/userguide/eks-connector.html"
>https://docs.aws.amazon.com/eks/latest/userguide/eks-connector.html</a>connected clusters, or blank to return
only Amazon EKS clusters. '<code>all</code>' must be in lowercase otherwise an error occurs.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setInclude(java.util.Collection)} or {@link #withInclude(java.util.Collection)} if you want to override
the existing values.
</p>

@param include
       Indicates whether external clusters are included in the returned list. Use '<code>all</code>' to return <a
       href
       ="https://docs.aws.amazon.com/eks/latest/userguide/eks-connector.html">https://docs.aws.amazon.com/eks/
       latest/userguide/eks-connector.html</a>connected clusters, or blank to return only Amazon EKS clusters. '
       <code>all</code>' must be in lowercase otherwise an error occurs.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-eks/src/main/java/com/amazonaws/services/eks/model/ListClustersRequest.java