*/
package org.opendaylight.controller.sal.core;
-import org.apache.commons.lang3.tuple.ImmutablePair;
-import java.util.concurrent.ConcurrentHashMap;
import java.io.Serializable;
-import java.util.HashMap;
-import java.util.Map;
-
-import org.apache.commons.lang3.builder.EqualsBuilder;
-import org.apache.commons.lang3.builder.HashCodeBuilder;
+import java.util.concurrent.ConcurrentHashMap;
-import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
-import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlAttribute;
+import javax.xml.bind.annotation.XmlElement;
+import javax.xml.bind.annotation.XmlRootElement;
+
+import org.apache.commons.lang3.builder.EqualsBuilder;
+import org.apache.commons.lang3.builder.HashCodeBuilder;
+import org.apache.commons.lang3.tuple.ImmutablePair;
/**
* Describe a generic network element attachment points,