Check in generated pyi files for some py_extension targets.

PiperOrigin-RevId: 570430545

tensorflow_text/core/pybinds/BUILD

@@ -88,6 +88,10 @@ pybind_extension(
         "BuildFastWordpieceModel",
     ],
     copts = ["-fexceptions"],
+    data = [
+        "pywrap_fast_wordpiece_tokenizer_model_builder.pyi",
+    ],
+    enable_stub_generation = True,
     features = ["-use_header_modules"],
     module_name = "pywrap_fast_wordpiece_tokenizer_model_builder",
     srcs_version = "PY3ONLY",

tensorflow_text/core/pybinds/pywrap_fast_wordpiece_tokenizer_model_builder.pyi

@@ -0,0 +1,18 @@
+# Copyright 2023 The TensorFlow Authors. All Rights Reserved.
+#
+# 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.
+# ==============================================================================
+
+from typing import List
+
+def build_fast_wordpiece_model(arg0: List[str], arg1: int, arg2: str, arg3: str, arg4: bool, arg5: bool) -> bytes: ...