nearby: snapshot of cl/313536507

Signed-off-by: Alexey Polyudov <apolyudov@google.com>
Change-Id: I8936b527079074d5c3af5531b9245063767cc4a7

cpp/platform_v2/base/input_stream.h

@@ -0,0 +1,28 @@
+#ifndef PLATFORM_V2_BASE_INPUT_STREAM_H_
+#define PLATFORM_V2_BASE_INPUT_STREAM_H_
+
+#include <cstdint>
+
+#include "platform_v2/base/byte_array.h"
+#include "platform_v2/base/exception.h"
+
+namespace location {
+namespace nearby {
+
+// An InputStream represents an input stream of bytes.
+//
+// https://docs.oracle.com/javase/8/docs/api/java/io/InputStream.html
+class InputStream {
+ public:
+  virtual ~InputStream() = default;
+
+  // throws Exception::kIo
+  virtual ExceptionOr<ByteArray> Read(std::int64_t size) = 0;
+  // throws Exception::kIo
+  virtual Exception Close() = 0;
+};
+
+}  // namespace nearby
+}  // namespace location
+
+#endif  // PLATFORM_V2_BASE_INPUT_STREAM_H_