public void setInstanceIds(java.util.Collection<String> instanceIds) {
        if (instanceIds == null) {
            this.instanceIds = null;
            return;
        }

        this.instanceIds = new com.amazonaws.internal.SdkInternalList<String>(instanceIds);
    }
<p>
The IDs of the instances to disassociate from the event window.
</p>

@param instanceIds
       The IDs of the instances to disassociate from the event window.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/InstanceEventWindowDisassociationRequest.java