From dd9110b80d454cdf12fabba9db60403b36e235b8 Mon Sep 17 00:00:00 2001
From: Dave Kwon <dokwon@meta.com>
Date: Fri, 7 Mar 2025 17:27:36 -0800
Subject: [PATCH] Update OSS copyright header

Summary: Update OSS copyright header

Reviewed By: bigfootjon

Differential Revision: D70817682

fbshipit-source-id: 842287e286cc97905cdfea283fabbb5e285abe28
---
 .../src/thrift/lib/hack/src/IThriftWrapper.php  | 17 ++++++++++++++++-
 .../lib/hack/src/ResponseAndClientSink.php      | 17 ++++++++++++++++-
 .../thrift/lib/hack/src/ResponseAndStream.php   | 17 ++++++++++++++++-
 .../hack/src/TContextPropV2ServerHandler.php    | 17 ++++++++++++++++-
 .../hack/src/ThriftBacktraceEventHandler.php    | 17 ++++++++++++++++-
 .../lib/hack/src/ThriftContextPropHandler.php   | 17 ++++++++++++++++-
 .../src/ThriftContextPropServerEventHandler.php | 17 ++++++++++++++++-
 .../lib/hack/src/ThriftContextPropState.php     | 17 ++++++++++++++++-
 .../lib/hack/src/ThriftControllerHitLogger.php  | 17 ++++++++++++++++-
 .../lib/hack/src/ThriftImmutableWrapper.php     | 17 ++++++++++++++++-
 .../lib/hack/src/ThriftPolicyEnforcer.php       | 17 ++++++++++++++++-
 .../thrift/lib/hack/src/ThriftResultUtil.php    | 17 ++++++++++++++++-
 .../src/ThriftStreamingSerializationHelpers.php | 17 ++++++++++++++++-
 .../ThriftBacktraceEventHandlerTest.php         | 17 ++++++++++++++++-
 .../__tests__/ThriftContextPropHandlerTest.php  | 17 ++++++++++++++++-
 .../ThriftContextPropServerEventHandlerTest.php | 17 ++++++++++++++++-
 .../__tests__/ThriftContextPropStateTest.php    | 17 ++++++++++++++++-
 .../__tests__/ThriftImmutableWrapperTest.php    | 17 ++++++++++++++++-
 .../src/__tests__/ThriftPolicyEnforcerTest.php  | 17 ++++++++++++++++-
 .../thrift/lib/hack/src/conformance/LazyAny.php | 17 ++++++++++++++++-
 .../lib/hack/src/conformance/ThriftLazyAny.php  | 17 ++++++++++++++++-
 .../src/conformance/ThriftTypeInfoCache.php     | 17 ++++++++++++++++-
 .../hack/src/conformance/ThriftTypeRegistry.php | 17 ++++++++++++++++-
 .../src/conformance/ThriftTypeStructAdapter.php | 17 ++++++++++++++++-
 .../ThriftTypeUriHashPrefixCache.php            | 17 ++++++++++++++++-
 .../src/conformance/ThriftUniversalName.php     | 17 ++++++++++++++++-
 .../src/conformance/__tests__/LazyAnyTest.php   | 17 ++++++++++++++++-
 .../conformance/__tests__/LazyAnyTestBase.php   | 17 ++++++++++++++++-
 .../__tests__/ThriftTypeStructAdapterTest.php   | 17 ++++++++++++++++-
 .../__tests__/ThriftUniversalNameTest.php       | 17 ++++++++++++++++-
 .../thrift_any/ThriftLazyAnyTest.thrift         | 17 +++++++++++++++++
 .../thrift_any/ThriftLazyAnyTestBase.php        | 17 ++++++++++++++++-
 .../__tests__/thrift_any/ThriftLazyAnyTests.php | 17 ++++++++++++++++-
 .../contextprop/ExperimentIdContextHandler.php  | 17 ++++++++++++++++-
 .../hack/src/contextprop/IContextHandler.php    | 17 ++++++++++++++++-
 .../ImmutableThriftContextPropState.php         | 17 ++++++++++++++++-
 .../ImmutableThriftFrameworkMetadata.php        | 17 ++++++++++++++++-
 ...mutableThriftFrameworkMetadataOnResponse.php | 17 ++++++++++++++++-
 .../src/contextprop/ProductIdContextHandler.php | 17 ++++++++++++++++-
 .../contextprop/TContextPropV2ClientHandler.php | 17 ++++++++++++++++-
 .../contextprop/ThriftContextPropHandlers.php   | 17 ++++++++++++++++-
 .../ThriftFrameworkMetadataUtils.php            | 17 ++++++++++++++++-
 .../UpdateUniverseContextHandler.php            | 17 ++++++++++++++++-
 .../ExperimentIdContextHandlerTest.php          | 17 ++++++++++++++++-
 .../__tests__/ProductIdContextHandlerTest.php   | 17 ++++++++++++++++-
 .../UpdateUniverseContextHandlerTest.php        | 17 ++++++++++++++++-
 .../src/protocol/__tests__/AdapterTest.thrift   | 17 +++++++++++++++++
 .../src/protocol/__tests__/CompactTest.thrift   | 17 +++++++++++++++++
 .../protocol/__tests__/FieldWrapperTest.thrift  | 17 +++++++++++++++++
 .../src/protocol/__tests__/ProtocolTest.thrift  | 17 +++++++++++++++++
 .../protocol/__tests__/SerializationTest.php    | 17 ++++++++++++++++-
 .../__tests__/TSimpleJSONProtocolTest.thrift    | 17 +++++++++++++++++
 .../TypeAndStructWrapperAnnotationTest.thrift   | 17 +++++++++++++++++
 .../TypeAndStructWrapperConstantsTest.thrift    | 17 +++++++++++++++++
 .../__tests__/TypeAndStructWrapperTest.thrift   | 17 +++++++++++++++++
 .../TypeAndStructWrapperTestModule.thrift       | 17 +++++++++++++++++
 .../wrappers/TypeAndStructTestWrappers.php      | 17 ++++++++++++++++-
 .../hack/src/transport/TChunkedMemoryBuffer.php | 17 ++++++++++++++++-
 .../hack/src/transport/TWritePropsTransport.php | 17 ++++++++++++++++-
 .../__tests__/TChunkedMemoryBufferTest.php      | 17 ++++++++++++++++-
 .../src/transport/__tests__/TFileStreamTest.php | 17 ++++++++++++++++-
 61 files changed, 986 insertions(+), 51 deletions(-)

diff --git a/third-party/thrift/src/thrift/lib/hack/src/IThriftWrapper.php b/third-party/thrift/src/thrift/lib/hack/src/IThriftWrapper.php
index 55e33d35c708d..ac56e27c06209 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/IThriftWrapper.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/IThriftWrapper.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  *
diff --git a/third-party/thrift/src/thrift/lib/hack/src/ResponseAndClientSink.php b/third-party/thrift/src/thrift/lib/hack/src/ResponseAndClientSink.php
index 42cd4c44c355f..5d07ccb881e2d 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/ResponseAndClientSink.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/ResponseAndClientSink.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 final class ResponseAndClientSink<
   TFirstResponse,
diff --git a/third-party/thrift/src/thrift/lib/hack/src/ResponseAndStream.php b/third-party/thrift/src/thrift/lib/hack/src/ResponseAndStream.php
index 1b0955be03a17..f86468fab240f 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/ResponseAndStream.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/ResponseAndStream.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 <<Oncalls('thrift')>> // @oss-disable
 class ResponseAndStream<TResponse, TStreamResult> {
diff --git a/third-party/thrift/src/thrift/lib/hack/src/TContextPropV2ServerHandler.php b/third-party/thrift/src/thrift/lib/hack/src/TContextPropV2ServerHandler.php
index 07ee6f4ab3c59..e4daa7fd64f3e 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/TContextPropV2ServerHandler.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/TContextPropV2ServerHandler.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 type ServerInstrumentationParams = shape(
   ?'fn_name' => string,
diff --git a/third-party/thrift/src/thrift/lib/hack/src/ThriftBacktraceEventHandler.php b/third-party/thrift/src/thrift/lib/hack/src/ThriftBacktraceEventHandler.php
index 2c8c8a6e61980..d0958f29a802b 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/ThriftBacktraceEventHandler.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/ThriftBacktraceEventHandler.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 /*
  * class responsible for handling backtraces on the server side.
diff --git a/third-party/thrift/src/thrift/lib/hack/src/ThriftContextPropHandler.php b/third-party/thrift/src/thrift/lib/hack/src/ThriftContextPropHandler.php
index ba57ecbe3dd95..fd0a4781d254d 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/ThriftContextPropHandler.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/ThriftContextPropHandler.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 // Reference implementations:
 //  www/flib/core/smc/thrift/ThriftContextPropClientEventHandler.php
diff --git a/third-party/thrift/src/thrift/lib/hack/src/ThriftContextPropServerEventHandler.php b/third-party/thrift/src/thrift/lib/hack/src/ThriftContextPropServerEventHandler.php
index 36db15d344a7f..11eec64ce8347 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/ThriftContextPropServerEventHandler.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/ThriftContextPropServerEventHandler.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 final class ThriftContextPropServerEventHandler extends TProcessorEventHandler {
 
diff --git a/third-party/thrift/src/thrift/lib/hack/src/ThriftContextPropState.php b/third-party/thrift/src/thrift/lib/hack/src/ThriftContextPropState.php
index 2dabb90b83c60..6756444d51d80 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/ThriftContextPropState.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/ThriftContextPropState.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 // Reference implementations:
 //  www/flib/core/contextprop/ContextManager.php
diff --git a/third-party/thrift/src/thrift/lib/hack/src/ThriftControllerHitLogger.php b/third-party/thrift/src/thrift/lib/hack/src/ThriftControllerHitLogger.php
index 30f3710e57223..2766a7780e2e7 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/ThriftControllerHitLogger.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/ThriftControllerHitLogger.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 <<Oncalls('alite')>>
 final class ThriftControllerHitLogger {
diff --git a/third-party/thrift/src/thrift/lib/hack/src/ThriftImmutableWrapper.php b/third-party/thrift/src/thrift/lib/hack/src/ThriftImmutableWrapper.php
index f91c72c1d3d61..cea8cf77301dd 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/ThriftImmutableWrapper.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/ThriftImmutableWrapper.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 /**
  * Immutable Wrapper class on Thrift structs exposing generic capabilities.
diff --git a/third-party/thrift/src/thrift/lib/hack/src/ThriftPolicyEnforcer.php b/third-party/thrift/src/thrift/lib/hack/src/ThriftPolicyEnforcer.php
index f5a476611621a..800e315e4cc6c 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/ThriftPolicyEnforcer.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/ThriftPolicyEnforcer.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 final class ThriftPolicyEnforcer extends PolicyEnforcer {
   const PolicyEnforcerAssetClass ASSET_CLASS =
diff --git a/third-party/thrift/src/thrift/lib/hack/src/ThriftResultUtil.php b/third-party/thrift/src/thrift/lib/hack/src/ThriftResultUtil.php
index 14be69e0d5200..41fa54aa09a79 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/ThriftResultUtil.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/ThriftResultUtil.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 interface IResultThriftStruct extends \IThriftStruct {
   abstract const type TResult;
diff --git a/third-party/thrift/src/thrift/lib/hack/src/ThriftStreamingSerializationHelpers.php b/third-party/thrift/src/thrift/lib/hack/src/ThriftStreamingSerializationHelpers.php
index c92e44ff7c0d4..87bdc95d5b9b2 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/ThriftStreamingSerializationHelpers.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/ThriftStreamingSerializationHelpers.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 final abstract class ThriftStreamingSerializationHelpers {
 
diff --git a/third-party/thrift/src/thrift/lib/hack/src/__tests__/ThriftBacktraceEventHandlerTest.php b/third-party/thrift/src/thrift/lib/hack/src/__tests__/ThriftBacktraceEventHandlerTest.php
index 71dc7a1caef61..7b1869b19a02f 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/__tests__/ThriftBacktraceEventHandlerTest.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/__tests__/ThriftBacktraceEventHandlerTest.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 <<Oncalls('xdc_artillery')>>
 final class BacktraceClientEventHandlerTest extends WWWTest {
diff --git a/third-party/thrift/src/thrift/lib/hack/src/__tests__/ThriftContextPropHandlerTest.php b/third-party/thrift/src/thrift/lib/hack/src/__tests__/ThriftContextPropHandlerTest.php
index 34fd1057e24a4..8f0c13b350b4d 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/__tests__/ThriftContextPropHandlerTest.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/__tests__/ThriftContextPropHandlerTest.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 <<Oncalls('thrift')>>
 final class ThriftContextPropHandlerTest extends WWWTest {
diff --git a/third-party/thrift/src/thrift/lib/hack/src/__tests__/ThriftContextPropServerEventHandlerTest.php b/third-party/thrift/src/thrift/lib/hack/src/__tests__/ThriftContextPropServerEventHandlerTest.php
index c46c3f7f7b5df..0e85e4f03cfa8 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/__tests__/ThriftContextPropServerEventHandlerTest.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/__tests__/ThriftContextPropServerEventHandlerTest.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 <<Oncalls('xdc_artillery')>>
 final class ThriftContextPropServerEventHandlerTest extends WWWTest {
diff --git a/third-party/thrift/src/thrift/lib/hack/src/__tests__/ThriftContextPropStateTest.php b/third-party/thrift/src/thrift/lib/hack/src/__tests__/ThriftContextPropStateTest.php
index 4590a6fbea20e..130081d09b726 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/__tests__/ThriftContextPropStateTest.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/__tests__/ThriftContextPropStateTest.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 <<Oncalls('thrift')>>
 final class ThriftContextPropStateTest extends WWWTest {
diff --git a/third-party/thrift/src/thrift/lib/hack/src/__tests__/ThriftImmutableWrapperTest.php b/third-party/thrift/src/thrift/lib/hack/src/__tests__/ThriftImmutableWrapperTest.php
index 4da431dc36ffa..c6b96b8e4b017 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/__tests__/ThriftImmutableWrapperTest.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/__tests__/ThriftImmutableWrapperTest.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 <<Oncalls('signals_infra')>>
 final class ThriftImmutableWrapperTest extends WWWTest {
diff --git a/third-party/thrift/src/thrift/lib/hack/src/__tests__/ThriftPolicyEnforcerTest.php b/third-party/thrift/src/thrift/lib/hack/src/__tests__/ThriftPolicyEnforcerTest.php
index 831c7b182cb7f..fe9fd98c6c20b 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/__tests__/ThriftPolicyEnforcerTest.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/__tests__/ThriftPolicyEnforcerTest.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 module privacylib;
 
 <<Oncalls('www_privacy_frameworks')>>
diff --git a/third-party/thrift/src/thrift/lib/hack/src/conformance/LazyAny.php b/third-party/thrift/src/thrift/lib/hack/src/conformance/LazyAny.php
index ed95893148a00..8c5bd9fa6242c 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/conformance/LazyAny.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/conformance/LazyAny.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 final class LazyAny implements JsonSerializable {
   const type TData = Either<apache_thrift_Any, IThriftStruct>;
diff --git a/third-party/thrift/src/thrift/lib/hack/src/conformance/ThriftLazyAny.php b/third-party/thrift/src/thrift/lib/hack/src/conformance/ThriftLazyAny.php
index 5b52bbdfa0d33..53282e6462c1d 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/conformance/ThriftLazyAny.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/conformance/ThriftLazyAny.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 final class ThriftLazyAny implements JsonSerializable {
   const type TAnyData = (mixed, ThriftTypeStructAdapter);
diff --git a/third-party/thrift/src/thrift/lib/hack/src/conformance/ThriftTypeInfoCache.php b/third-party/thrift/src/thrift/lib/hack/src/conformance/ThriftTypeInfoCache.php
index 3380556dcbc0b..f9939fc9d0e0d 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/conformance/ThriftTypeInfoCache.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/conformance/ThriftTypeInfoCache.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 <<Oncalls('thrift'), DeadCodeBotShouldNotRemoveEntries>>
 final class ThriftTypeInfoCache
diff --git a/third-party/thrift/src/thrift/lib/hack/src/conformance/ThriftTypeRegistry.php b/third-party/thrift/src/thrift/lib/hack/src/conformance/ThriftTypeRegistry.php
index 6007fe428c32c..bdd73962c719d 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/conformance/ThriftTypeRegistry.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/conformance/ThriftTypeRegistry.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 abstract final class ThriftTypeRegistry {
   public static function isHackTypeRegistered(classname<mixed> $cls)[]: bool {
diff --git a/third-party/thrift/src/thrift/lib/hack/src/conformance/ThriftTypeStructAdapter.php b/third-party/thrift/src/thrift/lib/hack/src/conformance/ThriftTypeStructAdapter.php
index e3f18dee966d0..c7813a931fd7e 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/conformance/ThriftTypeStructAdapter.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/conformance/ThriftTypeStructAdapter.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 final class ThriftTypeStructAdapter implements IThriftAdapter {
   const type THackType = this;
diff --git a/third-party/thrift/src/thrift/lib/hack/src/conformance/ThriftTypeUriHashPrefixCache.php b/third-party/thrift/src/thrift/lib/hack/src/conformance/ThriftTypeUriHashPrefixCache.php
index b3e757777db83..6a7b306bb4a19 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/conformance/ThriftTypeUriHashPrefixCache.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/conformance/ThriftTypeUriHashPrefixCache.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 <<Oncalls('thrift'), DeadCodeBotShouldNotRemoveEntries>>
 final class ThriftTypeUriHashPrefixCache
diff --git a/third-party/thrift/src/thrift/lib/hack/src/conformance/ThriftUniversalName.php b/third-party/thrift/src/thrift/lib/hack/src/conformance/ThriftUniversalName.php
index fc801129f625c..b8310b09d17c7 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/conformance/ThriftUniversalName.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/conformance/ThriftUniversalName.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 abstract final class ThriftUniversalName {
   const THRIFT_SCHEME = "fbthrift://";
diff --git a/third-party/thrift/src/thrift/lib/hack/src/conformance/__tests__/LazyAnyTest.php b/third-party/thrift/src/thrift/lib/hack/src/conformance/__tests__/LazyAnyTest.php
index 03f6c0c35df41..b4247235d2df2 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/conformance/__tests__/LazyAnyTest.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/conformance/__tests__/LazyAnyTest.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 <<Oncalls('search_topaggr'), Feature('FBApp_Search_IndexServe')>>
 final class LazyAnyTest extends LazyAnyTestBase {
diff --git a/third-party/thrift/src/thrift/lib/hack/src/conformance/__tests__/LazyAnyTestBase.php b/third-party/thrift/src/thrift/lib/hack/src/conformance/__tests__/LazyAnyTestBase.php
index 7c53a56db592d..9f662242a0094 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/conformance/__tests__/LazyAnyTestBase.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/conformance/__tests__/LazyAnyTestBase.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 <<Oncalls('search_topaggr'), Feature('FBApp_Search_IndexServe')>>
 abstract class LazyAnyTestBase extends WWWTest {
diff --git a/third-party/thrift/src/thrift/lib/hack/src/conformance/__tests__/ThriftTypeStructAdapterTest.php b/third-party/thrift/src/thrift/lib/hack/src/conformance/__tests__/ThriftTypeStructAdapterTest.php
index cc619a4ecd99a..83b4a89a575a6 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/conformance/__tests__/ThriftTypeStructAdapterTest.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/conformance/__tests__/ThriftTypeStructAdapterTest.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 <<Oncalls('smint')>>
 final class ThriftTypeStructAdapterTest extends WWWTest {
diff --git a/third-party/thrift/src/thrift/lib/hack/src/conformance/__tests__/ThriftUniversalNameTest.php b/third-party/thrift/src/thrift/lib/hack/src/conformance/__tests__/ThriftUniversalNameTest.php
index 7f38faf5d1caa..aba64fe2987da 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/conformance/__tests__/ThriftUniversalNameTest.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/conformance/__tests__/ThriftUniversalNameTest.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 <<Oncalls('thrift')>>
 final class ThriftUniversalNameTest extends WWWTest {
diff --git a/third-party/thrift/src/thrift/lib/hack/src/conformance/__tests__/thrift_any/ThriftLazyAnyTest.thrift b/third-party/thrift/src/thrift/lib/hack/src/conformance/__tests__/thrift_any/ThriftLazyAnyTest.thrift
index af49bc3be279b..903f36de9cee6 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/conformance/__tests__/thrift_any/ThriftLazyAnyTest.thrift
+++ b/third-party/thrift/src/thrift/lib/hack/src/conformance/__tests__/thrift_any/ThriftLazyAnyTest.thrift
@@ -1,3 +1,20 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
 include "thrift/lib/thrift/any.thrift"
 include "thrift/annotation/hack.thrift"
 
diff --git a/third-party/thrift/src/thrift/lib/hack/src/conformance/__tests__/thrift_any/ThriftLazyAnyTestBase.php b/third-party/thrift/src/thrift/lib/hack/src/conformance/__tests__/thrift_any/ThriftLazyAnyTestBase.php
index 0d90ec4d84f43..54e33e0659dc2 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/conformance/__tests__/thrift_any/ThriftLazyAnyTestBase.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/conformance/__tests__/thrift_any/ThriftLazyAnyTestBase.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 <<Oncalls('thrift')>>
 abstract class ThriftLazyAnyTestBase<T> extends WWWTest {
diff --git a/third-party/thrift/src/thrift/lib/hack/src/conformance/__tests__/thrift_any/ThriftLazyAnyTests.php b/third-party/thrift/src/thrift/lib/hack/src/conformance/__tests__/thrift_any/ThriftLazyAnyTests.php
index 5c1bbebb32f89..b390b0d289ef4 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/conformance/__tests__/thrift_any/ThriftLazyAnyTests.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/conformance/__tests__/thrift_any/ThriftLazyAnyTests.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 <<Oncalls('thrift')>>
 final class ThriftLazyAnyTestForStruct
diff --git a/third-party/thrift/src/thrift/lib/hack/src/contextprop/ExperimentIdContextHandler.php b/third-party/thrift/src/thrift/lib/hack/src/contextprop/ExperimentIdContextHandler.php
index 1f9bfacd8a07b..a2b51bf0bf767 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/contextprop/ExperimentIdContextHandler.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/contextprop/ExperimentIdContextHandler.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 final class ExperimentIdContextHandler implements IContextHandler {
 
diff --git a/third-party/thrift/src/thrift/lib/hack/src/contextprop/IContextHandler.php b/third-party/thrift/src/thrift/lib/hack/src/contextprop/IContextHandler.php
index 7a3b3080634da..d817f073bf936 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/contextprop/IContextHandler.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/contextprop/IContextHandler.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 interface IContextHandler {
   /**
diff --git a/third-party/thrift/src/thrift/lib/hack/src/contextprop/ImmutableThriftContextPropState.php b/third-party/thrift/src/thrift/lib/hack/src/contextprop/ImmutableThriftContextPropState.php
index aa4fbee027bc9..c6b8fa4f93740 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/contextprop/ImmutableThriftContextPropState.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/contextprop/ImmutableThriftContextPropState.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 /**
  * Immutable version of ThriftContextPropState. Used in ContextPropV2
diff --git a/third-party/thrift/src/thrift/lib/hack/src/contextprop/ImmutableThriftFrameworkMetadata.php b/third-party/thrift/src/thrift/lib/hack/src/contextprop/ImmutableThriftFrameworkMetadata.php
index 5739eecaab904..ca750ff583568 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/contextprop/ImmutableThriftFrameworkMetadata.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/contextprop/ImmutableThriftFrameworkMetadata.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 /**
  * Immutable version of ThriftFrameworkMetadata. Used in ContextPropV2
diff --git a/third-party/thrift/src/thrift/lib/hack/src/contextprop/ImmutableThriftFrameworkMetadataOnResponse.php b/third-party/thrift/src/thrift/lib/hack/src/contextprop/ImmutableThriftFrameworkMetadataOnResponse.php
index 29bbeef012a2a..c8178dac1f1be 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/contextprop/ImmutableThriftFrameworkMetadataOnResponse.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/contextprop/ImmutableThriftFrameworkMetadataOnResponse.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 /**
  * Immutable version of ThriftFrameworkMetadataOnResponse struct. Used in ContextPropV2
diff --git a/third-party/thrift/src/thrift/lib/hack/src/contextprop/ProductIdContextHandler.php b/third-party/thrift/src/thrift/lib/hack/src/contextprop/ProductIdContextHandler.php
index e2e99ef6cc4bb..73aeac917f385 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/contextprop/ProductIdContextHandler.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/contextprop/ProductIdContextHandler.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 final class ProductIdContextHandler implements IContextHandler {
 
diff --git a/third-party/thrift/src/thrift/lib/hack/src/contextprop/TContextPropV2ClientHandler.php b/third-party/thrift/src/thrift/lib/hack/src/contextprop/TContextPropV2ClientHandler.php
index 21b44269187f9..bc9ac9306f4d7 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/contextprop/TContextPropV2ClientHandler.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/contextprop/TContextPropV2ClientHandler.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 type ClientInstrumentationParams = shape(
   ?'service_name' => string,
diff --git a/third-party/thrift/src/thrift/lib/hack/src/contextprop/ThriftContextPropHandlers.php b/third-party/thrift/src/thrift/lib/hack/src/contextprop/ThriftContextPropHandlers.php
index 6e245c5ba66c1..d83e8c7063976 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/contextprop/ThriftContextPropHandlers.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/contextprop/ThriftContextPropHandlers.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 /**
  * Helper class to install the right context prop thrift handlers based on
diff --git a/third-party/thrift/src/thrift/lib/hack/src/contextprop/ThriftFrameworkMetadataUtils.php b/third-party/thrift/src/thrift/lib/hack/src/contextprop/ThriftFrameworkMetadataUtils.php
index 3127b28fcbead..9731d1f88ecff 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/contextprop/ThriftFrameworkMetadataUtils.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/contextprop/ThriftFrameworkMetadataUtils.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 abstract final class ThriftFrameworkMetadataUtils {
 
diff --git a/third-party/thrift/src/thrift/lib/hack/src/contextprop/UpdateUniverseContextHandler.php b/third-party/thrift/src/thrift/lib/hack/src/contextprop/UpdateUniverseContextHandler.php
index 734e8d1d45f07..122df1f618d49 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/contextprop/UpdateUniverseContextHandler.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/contextprop/UpdateUniverseContextHandler.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 final class UpdateUniverseContextHandler implements IContextHandler {
   use TThriftPoliciedOptOutList;
diff --git a/third-party/thrift/src/thrift/lib/hack/src/contextprop/__tests__/ExperimentIdContextHandlerTest.php b/third-party/thrift/src/thrift/lib/hack/src/contextprop/__tests__/ExperimentIdContextHandlerTest.php
index 4c75e1d36a278..991823a9519f2 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/contextprop/__tests__/ExperimentIdContextHandlerTest.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/contextprop/__tests__/ExperimentIdContextHandlerTest.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 <<Oncalls('xdc_artillery')>>
 final class ExperimentIdContextHandlerTest extends WWWTest {
diff --git a/third-party/thrift/src/thrift/lib/hack/src/contextprop/__tests__/ProductIdContextHandlerTest.php b/third-party/thrift/src/thrift/lib/hack/src/contextprop/__tests__/ProductIdContextHandlerTest.php
index 04032fcdede29..c1864bbeac704 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/contextprop/__tests__/ProductIdContextHandlerTest.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/contextprop/__tests__/ProductIdContextHandlerTest.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 <<Oncalls('xdc_artillery')>>
 final class ProductIdContextHandlerTest extends WWWTest {
diff --git a/third-party/thrift/src/thrift/lib/hack/src/contextprop/__tests__/UpdateUniverseContextHandlerTest.php b/third-party/thrift/src/thrift/lib/hack/src/contextprop/__tests__/UpdateUniverseContextHandlerTest.php
index 99e1934326300..063ce0a668ef1 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/contextprop/__tests__/UpdateUniverseContextHandlerTest.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/contextprop/__tests__/UpdateUniverseContextHandlerTest.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 <<Oncalls('xdc_artillery')>>
 final class UpdateUniverseContextHandlerTest
diff --git a/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/AdapterTest.thrift b/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/AdapterTest.thrift
index afc4c7cd20e77..937865b917cd5 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/AdapterTest.thrift
+++ b/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/AdapterTest.thrift
@@ -1,3 +1,20 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
 package "meta.com/thrift/adapter_test"
 
 namespace hack AdapterTest
diff --git a/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/CompactTest.thrift b/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/CompactTest.thrift
index a53242ecd9d10..57dc38e92243e 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/CompactTest.thrift
+++ b/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/CompactTest.thrift
@@ -1,3 +1,20 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
 include "thrift/annotation/thrift.thrift"
 package "meta.com/thrift/core/protocol/_tests_/compact_test"
 
diff --git a/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/FieldWrapperTest.thrift b/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/FieldWrapperTest.thrift
index 481209d68aee9..f8d96fcbd0e8d 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/FieldWrapperTest.thrift
+++ b/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/FieldWrapperTest.thrift
@@ -1,3 +1,20 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
 include "thrift/annotation/hack.thrift"
 include "thrift/annotation/scope.thrift"
 
diff --git a/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/ProtocolTest.thrift b/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/ProtocolTest.thrift
index d9957d1f020e4..bd4f487568bc9 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/ProtocolTest.thrift
+++ b/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/ProtocolTest.thrift
@@ -1,3 +1,20 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
 include "thrift/annotation/thrift.thrift"
 package "meta.com/thrift/core/protocol/_tests_/protocol_test"
 
diff --git a/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/SerializationTest.php b/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/SerializationTest.php
index 29575a9b5edc9..98532260259ea 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/SerializationTest.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/SerializationTest.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 /*
  * Copyright (c) Meta Platforms, Inc. and affiliates.
  *
diff --git a/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/TSimpleJSONProtocolTest.thrift b/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/TSimpleJSONProtocolTest.thrift
index 84d53abd97893..0efea030e6c43 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/TSimpleJSONProtocolTest.thrift
+++ b/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/TSimpleJSONProtocolTest.thrift
@@ -1,3 +1,20 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
 package "meta.com/t_simple_json_protocol_test"
 
 namespace php TSimpleJSONProtocolTest
diff --git a/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/TypeAndStructWrapperAnnotationTest.thrift b/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/TypeAndStructWrapperAnnotationTest.thrift
index 309b92f6dca2d..2d579ed7ab0d8 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/TypeAndStructWrapperAnnotationTest.thrift
+++ b/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/TypeAndStructWrapperAnnotationTest.thrift
@@ -1,3 +1,20 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
 include "thrift/annotation/hack.thrift"
 
 package "meta.com/thrift/wrapper_test"
diff --git a/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/TypeAndStructWrapperConstantsTest.thrift b/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/TypeAndStructWrapperConstantsTest.thrift
index ced1379261927..5a3371cd1bce4 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/TypeAndStructWrapperConstantsTest.thrift
+++ b/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/TypeAndStructWrapperConstantsTest.thrift
@@ -1,3 +1,20 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
 include "TypeAndStructWrapperTest.thrift"
 
 package "meta.com/thrift/wrapper_test"
diff --git a/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/TypeAndStructWrapperTest.thrift b/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/TypeAndStructWrapperTest.thrift
index a903bcac7d849..d8efb5605b045 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/TypeAndStructWrapperTest.thrift
+++ b/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/TypeAndStructWrapperTest.thrift
@@ -1,3 +1,20 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
 include "thrift/annotation/hack.thrift"
 include "thrift/annotation/scope.thrift"
 
diff --git a/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/TypeAndStructWrapperTestModule.thrift b/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/TypeAndStructWrapperTestModule.thrift
index 7ea8fc8ff264d..dde30924a7129 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/TypeAndStructWrapperTestModule.thrift
+++ b/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/TypeAndStructWrapperTestModule.thrift
@@ -1,3 +1,20 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
 include "TypeAndStructWrapperTest.thrift"
 include "thrift/annotation/hack.thrift"
 
diff --git a/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/wrappers/TypeAndStructTestWrappers.php b/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/wrappers/TypeAndStructTestWrappers.php
index 3942711375354..fc62527e73f46 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/wrappers/TypeAndStructTestWrappers.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/protocol/__tests__/wrappers/TypeAndStructTestWrappers.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 final class MyTypeWrapper<TThriftType>
   extends \IThriftTypeWrapper<TThriftType> {
diff --git a/third-party/thrift/src/thrift/lib/hack/src/transport/TChunkedMemoryBuffer.php b/third-party/thrift/src/thrift/lib/hack/src/transport/TChunkedMemoryBuffer.php
index 8310d9932d0b9..4753ddccf762f 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/transport/TChunkedMemoryBuffer.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/transport/TChunkedMemoryBuffer.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 /**
  * You should probably use TMemoryBuffer instead.
diff --git a/third-party/thrift/src/thrift/lib/hack/src/transport/TWritePropsTransport.php b/third-party/thrift/src/thrift/lib/hack/src/transport/TWritePropsTransport.php
index 321a4991a7f9d..fadff2a8bdf15 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/transport/TWritePropsTransport.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/transport/TWritePropsTransport.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 abstract class TWritePropsTransport extends TTransport {
   <<__Override>>
diff --git a/third-party/thrift/src/thrift/lib/hack/src/transport/__tests__/TChunkedMemoryBufferTest.php b/third-party/thrift/src/thrift/lib/hack/src/transport/__tests__/TChunkedMemoryBufferTest.php
index 18da9b5891efc..61d6fe2b0ef73 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/transport/__tests__/TChunkedMemoryBufferTest.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/transport/__tests__/TChunkedMemoryBufferTest.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 <<Oncalls('thrift')>>
 final class TChunkedMemoryBufferTest extends WWWTest {
diff --git a/third-party/thrift/src/thrift/lib/hack/src/transport/__tests__/TFileStreamTest.php b/third-party/thrift/src/thrift/lib/hack/src/transport/__tests__/TFileStreamTest.php
index 58ceeab2cf78f..c2bf1f5ce303c 100644
--- a/third-party/thrift/src/thrift/lib/hack/src/transport/__tests__/TFileStreamTest.php
+++ b/third-party/thrift/src/thrift/lib/hack/src/transport/__tests__/TFileStreamTest.php
@@ -1,5 +1,20 @@
 <?hh
-// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 
 <<Oncalls('thrift')>>
 final class TFileStreamTest extends WWWTest {