public DescribeMacHostsRequest withHostIds(String... hostIds) {
        if (this.hostIds == null) {
            setHostIds(new com.amazonaws.internal.SdkInternalList<String>(hostIds.length));
        }
        for (String ele : hostIds) {
            this.hostIds.add(ele);
        }
        return this;
    }
<p>
The IDs of the EC2 Mac Dedicated Hosts.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setHostIds(java.util.Collection)} or {@link #withHostIds(java.util.Collection)} if you want to override
the existing values.
</p>

@param hostIds
       The IDs of the EC2 Mac Dedicated Hosts.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/DescribeMacHostsRequest.java