diff --git a/core/api/src/main/java/org/onlab/onos/net/flow/TrafficSelector.java b/core/api/src/main/java/org/onlab/onos/net/flow/TrafficSelector.java
index 906e505..249d1f9 100644
--- a/core/api/src/main/java/org/onlab/onos/net/flow/TrafficSelector.java
+++ b/core/api/src/main/java/org/onlab/onos/net/flow/TrafficSelector.java
@@ -2,7 +2,11 @@
 
 import java.util.List;
 
+import org.onlab.onos.net.PortNumber;
 import org.onlab.onos.net.flow.criteria.Criterion;
+import org.onlab.packet.IpPrefix;
+import org.onlab.packet.MacAddress;
+import org.onlab.packet.VlanId;
 
 /**
  * Abstraction of a slice of network traffic.
@@ -31,6 +35,69 @@
         Builder add(Criterion criterion);
 
         /**
+         * Matches an inport.
+         * @param port the inport
+         * @return a selection builder
+         */
+        public Builder matchInport(PortNumber port);
+
+        /**
+         * Matches a l2 src address.
+         * @param addr a l2 address
+         * @return a selection builder
+         */
+        public Builder matchEthSrc(MacAddress addr);
+
+        /**
+         * Matches a l2 dst address.
+         * @param addr a l2 address
+         * @return a selection builder
+         */
+        public Builder matchEthDst(MacAddress addr);
+
+        /**
+         * Matches the ethernet type.
+         * @param ethType an ethernet type
+         * @return a selection builder
+         */
+        public Builder matchEthType(short ethType);
+
+        /**
+         * Matches the vlan id.
+         * @param vlanId a vlan id
+         * @return a selection builder
+         */
+        public Builder matchVlanId(VlanId vlanId);
+
+        /**
+         * Matches a vlan priority.
+         * @param vlanPcp a vlan priority
+         * @return a selection builder
+         */
+        public Builder matchVlanPcp(Byte vlanPcp);
+
+        /**
+         * Matches the l3 protocol.
+         * @param proto a l3 protocol
+         * @return a selection builder
+         */
+        public Builder matchIPProtocol(Byte proto);
+
+        /**
+         * Matches a l3 address.
+         * @param ip a l3 address
+         * @return a selection builder
+         */
+        public Builder matchIPSrc(IpPrefix ip);
+
+        /**
+         * Matches a l3 address.
+         * @param ip a l3 address
+         * @return a selection builder
+         */
+        public Builder matchIPDst(IpPrefix ip);
+
+        /**
          * Builds an immutable traffic selector.
          *
          * @return traffic selector