public DescribeInstancesRequest withInstanceIds(java.util.Collection<String> instanceIds) {
        setInstanceIds(instanceIds);
        return this;
    }
<p>
An array of instance IDs to be described. If you use this parameter, <code>DescribeInstances</code> returns a
description of the specified instances. Otherwise, it returns a description of every instance.
</p>

@param instanceIds
       An array of instance IDs to be described. If you use this parameter, <code>DescribeInstances</code>
       returns a description of the specified instances. Otherwise, it returns a description of every instance.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-opsworks/src/main/java/com/amazonaws/services/opsworks/model/DescribeInstancesRequest.java