COMPMID-550: Adds support for branches.

Change-Id: I778007c9221ce3156400284c4039b90245eb2b7f
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/90043
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
diff --git a/arm_compute/graph/Types.h b/arm_compute/graph/Types.h
index e48ff84..c439641 100644
--- a/arm_compute/graph/Types.h
+++ b/arm_compute/graph/Types.h
@@ -32,19 +32,20 @@
 {
 namespace graph
 {
-using arm_compute::ITensor;
-using arm_compute::TensorInfo;
-using arm_compute::SubTensorInfo;
-using arm_compute::DataType;
-using arm_compute::Coordinates;
-using arm_compute::TensorShape;
-using arm_compute::PadStrideInfo;
-using arm_compute::WeightsInfo;
 using arm_compute::ActivationLayerInfo;
+using arm_compute::Coordinates;
+using arm_compute::DataType;
+using arm_compute::DimensionRoundingType;
+using arm_compute::ITensorInfo;
 using arm_compute::NormType;
 using arm_compute::NormalizationLayerInfo;
+using arm_compute::PadStrideInfo;
 using arm_compute::PoolingLayerInfo;
 using arm_compute::PoolingType;
+using arm_compute::SubTensorInfo;
+using arm_compute::TensorInfo;
+using arm_compute::TensorShape;
+using arm_compute::WeightsInfo;
 
 /**< Execution hint to the graph executor */
 enum class TargetHint
@@ -54,12 +55,18 @@
     NEON       /**< Run node on a NEON capable device */
 };
 
-/**< Convolution method hint to the graph executor */
+/** Convolution method hint to the graph executor */
 enum class ConvolutionMethodHint
 {
     GEMM,  /**< Convolution using GEMM */
     DIRECT /**< Direct convolution */
 };
+
+/** Branch layer merging method */
+enum class BranchMergeMethod
+{
+    DEPTH_CONCATENATE /**< Concatenate across depth */
+};
 } // namespace graph
 } // namespace arm_compute
 #endif /*__ARM_COMPUTE_GRAPH_TYPES_H__*/