diff --git a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/techprofile/tech_profile_if.go b/vendor/github.com/opencord/voltha-lib-go/v4/pkg/techprofile/tech_profile_if.go
new file mode 100644
index 0000000..0c5e273
--- /dev/null
+++ b/vendor/github.com/opencord/voltha-lib-go/v4/pkg/techprofile/tech_profile_if.go
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2019-present Open Networking Foundation
+
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+
+ * http://www.apache.org/licenses/LICENSE-2.0
+
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package techprofile
+
+import (
+	"context"
+
+	"github.com/opencord/voltha-lib-go/v4/pkg/db"
+	tp_pb "github.com/opencord/voltha-protos/v4/go/tech_profile"
+)
+
+type TechProfileIf interface {
+	SetKVClient(ctx context.Context) *db.Backend
+	GetTechProfileInstanceKVPath(ctx context.Context, techProfiletblID uint32, uniPortName string) string
+	GetTPInstanceFromKVStore(ctx context.Context, techProfiletblID uint32, path string) (interface{}, error)
+	CreateTechProfInstance(ctx context.Context, techProfiletblID uint32, uniPortName string, intfId uint32) (interface{}, error)
+	DeleteTechProfileInstance(ctx context.Context, techProfiletblID uint32, uniPortName string) error
+	GetprotoBufParamValue(ctx context.Context, paramType string, paramKey string) int32
+	GetUsScheduler(ctx context.Context, tpInstance *TechProfile) (*tp_pb.SchedulerConfig, error)
+	GetDsScheduler(ctx context.Context, tpInstance *TechProfile) (*tp_pb.SchedulerConfig, error)
+	GetTrafficScheduler(tpInstance *TechProfile, SchedCfg *tp_pb.SchedulerConfig,
+		ShapingCfg *tp_pb.TrafficShapingInfo) *tp_pb.TrafficScheduler
+	GetTrafficQueues(ctx context.Context, tp *TechProfile, Dir tp_pb.Direction) ([]*tp_pb.TrafficQueue, error)
+	GetMulticastTrafficQueues(ctx context.Context, tp *TechProfile) []*tp_pb.TrafficQueue
+	GetGemportIDForPbit(ctx context.Context, tp interface{}, Dir tp_pb.Direction, pbit uint32) uint32
+	FindAllTpInstances(ctx context.Context, techProfiletblID uint32, ponIntf uint32, onuID uint32) interface{}
+}