Squashed 'libs/protobuf/' content from commit fcd3b9a85

git-subtree-dir: libs/protobuf
git-subtree-split: fcd3b9a85ef36e46643dc30176cea1a7ad62e02b

java/kotlin-lite/src/main/kotlin/com/google/protobuf/ExtendableMessageLiteExtensions.kt

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+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+package com.google.protobuf.kotlin
+
+import com.google.protobuf.ExtensionLite
+import com.google.protobuf.GeneratedMessageLite
+
+/** Gets the value of the proto extension. */
+operator fun <
+  M : GeneratedMessageLite.ExtendableMessage<M, *>,
+  MOrBT : GeneratedMessageLite.ExtendableMessageOrBuilder<M, *>,
+  T : Any
+  > MOrBT.get(extension: ExtensionLite<M, T>): T = getExtension(extension)
+
+/** Sets the current value of the proto extension in this builder. */
+operator fun <
+  M : GeneratedMessageLite.ExtendableMessage<M, B>,
+  B : GeneratedMessageLite.ExtendableBuilder<M, B>,
+  T : Any
+  > B.set(extension: ExtensionLite<M, T>, value: T) {
+  setExtension(extension, value)
+}
+
+/** Returns true if the specified extension is set. */
+operator fun <
+  M : GeneratedMessageLite.ExtendableMessage<M, *>,
+  MorBT : GeneratedMessageLite.ExtendableMessageOrBuilder<M, *>
+  > MorBT.contains(
+  extension: ExtensionLite<M, *>
+): Boolean = hasExtension(extension)