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diff --git a/llvm/tools/llvm-cov/CoverageExporter.h b/llvm/tools/llvm-cov/CoverageExporter.h
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+//===- CoverageExporter.h - Code coverage exporter ------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This class defines a code coverage exporter interface.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_COV_COVERAGEEXPORTER_H
+#define LLVM_COV_COVERAGEEXPORTER_H
+
+#include "CoverageSummaryInfo.h"
+#include "CoverageViewOptions.h"
+#include "llvm/ProfileData/Coverage/CoverageMapping.h"
+
+namespace llvm {
+
+/// \brief Exports the code coverage information.
+class CoverageExporter {
+protected:
+  /// \brief The full CoverageMapping object to export.
+  const coverage::CoverageMapping &Coverage;
+
+  /// \brief The options passed to the tool.
+  const CoverageViewOptions &Options;
+
+  /// \brief Output stream to print JSON to.
+  raw_ostream &OS;
+
+  CoverageExporter(const coverage::CoverageMapping &CoverageMapping,
+                   const CoverageViewOptions &Options, raw_ostream &OS)
+      : Coverage(CoverageMapping), Options(Options), OS(OS) {}
+
+public:
+  virtual ~CoverageExporter(){};
+
+  /// \brief Render the CoverageMapping object.
+  virtual void renderRoot() = 0;
+
+  /// \brief Render the CoverageMapping object for specified source files.
+  virtual void renderRoot(const std::vector<std::string> &SourceFiles) = 0;
+};
+
+} // end namespace llvm
+
+#endif // LLVM_COV_COVERAGEEXPORTER_H