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+# Protocol Buffers - Google's data interchange format
+
+Copyright 2008 Google Inc.
+
+https://developers.google.com/protocol-buffers/
+
+## Use Protobuf Java Lite Runtime
+
+Protobuf Java Lite runtime is separated from the main Java runtime because
+it's designed/implemented with different constraints. In particular, Java
+Lite runtime has a much smaller code size which makes it more suitable to
+be used on Android.
+
+To use Java Lite runtime, you need to install protoc and the protoc plugin for
+Java Lite runtime. You can obtain protoc following the instructions in the
+toplevel [README.md](../README.md) file. For the protoc plugin, you can
+download it from maven:
+
+    https://repo1.maven.org/maven2/com/google/protobuf/protoc-gen-javalite/
+
+Choose the version that works on your platform (e.g., on windows you can
+download `protoc-gen-javalite-3.0.0-windows-x86_32.exe`), rename it to
+protoc-gen-javalite (or protoc-gen-javalite.exe on windows) and place it
+in a directory where it can be find in PATH.
+
+Once you have the protoc and protoc plugin, you can generate Java Lite code
+for your .proto files:
+
+    $ protoc --javalite_out=${OUTPUT_DIR} path/to/your/proto/file
+
+Include the generated Java files in your project and add a dependency on the
+protobuf Java runtime. If you are using Maven, use the following:
+
+```xml
+<dependency>
+  <groupId>com.google.protobuf</groupId>
+  <artifactId>protobuf-lite</artifactId>
+  <version>3.0.1</version>
+</dependency>
+```
+
+Make sure the version number of the runtime matches (or is newer than) the
+version number of the protoc plugin. The version number of the protoc doesn't
+matter and any version >= 3.0.0 should work.
+
+### Use Protobuf Java Lite Runtime with Bazel
+
+Bazel has native build rules to work with protobuf. For Java Lite runtime,
+you can use the `java_lite_proto_library` rule. Check out [our build files
+examples](../examples/BUILD) to learn how to use it.