nearby: snapshot of cl/304428753

Signed-off-by: Alexey Polyudov <apolyudov@google.com>
Change-Id: I0023ac6e40456fc4a8169c3173bcbff3b5ccc476

cpp/platform/api2/input_file.h

@@ -0,0 +1,24 @@
+#ifndef PLATFORM_API2_INPUT_FILE_H_
+#define PLATFORM_API2_INPUT_FILE_H_
+
+#include <cstdint>
+
+#include "platform/api2/input_stream.h"
+#include "platform/byte_array.h"
+#include "platform/exception.h"
+
+namespace location {
+namespace nearby {
+
+// An InputFile represents a readable file on the system.
+class InputFile : public InputStream {
+ public:
+  ~InputFile() override = default;
+  virtual std::string GetFilePath() const = 0;
+  virtual size_t GetTotalSize() const = 0;
+};
+
+}  // namespace nearby
+}  // namespace location
+
+#endif  // PLATFORM_API2_INPUT_FILE_H_