feat: added field_mask field in DocumentOutputConfig.GcsOutputConfig …

…in document_io.proto (#415)

* feat: added field_mask field in DocumentOutputConfig.GcsOutputConfig in document_io.proto

PiperOrigin-RevId: 488680436

Source-Link: googleapis/googleapis@d1e4539

Source-Link: https://github.com/googleapis/googleapis-gen/commit/6c358d9b82fb373d36a9578c3de6e13e561c9742
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* 🦉 Updates from OwlBot post-processor

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Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: Holt Skinner <[email protected]>

google/cloud/documentai_v1beta3/types/document_io.py

@@ -15,6 +15,7 @@
 #
 from typing import MutableMapping, MutableSequence
 
+from google.protobuf import field_mask_pb2  # type: ignore
 import proto  # type: ignore
 
 __protobuf__ = proto.module(
@@ -162,12 +163,22 @@ class GcsOutputConfig(proto.Message):
             gcs_uri (str):
                 The Cloud Storage uri (a directory) of the
                 output.
+            field_mask (google.protobuf.field_mask_pb2.FieldMask):
+                Specifies which fields to include in the output documents.
+                Only supports top level document and pages field so it must
+                be in the form of ``{document_field_name}`` or
+                ``pages.{page_field_name}``.
         """
 
         gcs_uri: str = proto.Field(
             proto.STRING,
             number=1,
         )
+        field_mask: field_mask_pb2.FieldMask = proto.Field(
+            proto.MESSAGE,
+            number=2,
+            message=field_mask_pb2.FieldMask,
+        )
 
     gcs_output_config: GcsOutputConfig = proto.Field(
         proto.MESSAGE,