added output format arg

src/CodeCoverageSummary/CodeSummary.cs

@@ -0,0 +1,37 @@
+using System.Collections.Generic;
+
+namespace CodeCoverageSummary
+{
+    public class CodeCoverage
+    {
+        public string Name { get; set; }
+
+        public double LineRate { get; set; }
+
+        public double BranchRate { get; set; }
+
+        public int Complexity { get; set; }
+    }
+
+    public class CodeSummary
+    {
+        public double LineRate { get; set; }
+
+        public int LinesCovered { get; set; }
+
+        public int LinesValid { get; set; }
+
+        public double BranchRate { get; set; }
+
+        public int BranchesCovered { get; set; }
+
+        public int BranchesValid { get; set; }
+
+        public List<CodeCoverage> Packages { get; set; }
+
+        public CodeSummary()
+        {
+            Packages = new List<CodeCoverage>();
+        }
+    }
+}