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diff --git a/llvm/tools/llvm-cov/CoverageExporterLcov.h b/llvm/tools/llvm-cov/CoverageExporterLcov.h
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+//===- CoverageExporterLcov.h - Code coverage lcov exporter ---------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This class implements a code coverage exporter for lcov trace file format.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_COV_COVERAGEEXPORTERLCOV_H
+#define LLVM_COV_COVERAGEEXPORTERLCOV_H
+
+#include "CoverageExporter.h"
+
+namespace llvm {
+
+class CoverageExporterLcov : public CoverageExporter {
+public:
+  CoverageExporterLcov(const coverage::CoverageMapping &CoverageMapping,
+                       const CoverageViewOptions &Options, raw_ostream &OS)
+      : CoverageExporter(CoverageMapping, Options, OS) {}
+
+  /// Render the CoverageMapping object.
+  void renderRoot(const CoverageFilters &IgnoreFilters) override;
+
+  /// Render the CoverageMapping object for specified source files.
+  void renderRoot(ArrayRef<std::string> SourceFiles) override;
+};
+
+} // end namespace llvm
+
+#endif // LLVM_COV_COVERAGEEXPORTERLCOV_H