curl -i -X PUT "https://api.box.com/2.0/files/12345/versions/456456" \
     -H "authorization: Bearer <ACCESS_TOKEN>" \
     -H "content-type: application/json" \
     -d '{
       "trashed_at": null
     }'

client.file_versions.update_file_version_by_id(
    file.id, file_version.id, trashed_at=create_null()
)

await client.fileVersions.updateFileVersionById(file.id, fileVersion.id, {
  requestBody: {
    trashedAt: createNull(),
  } satisfies UpdateFileVersionByIdRequestBody,
} satisfies UpdateFileVersionByIdOptionalsInput);

client.getFileVersions().updateFileVersionById(file.getId(), fileVersion.getId(), new UpdateFileVersionByIdRequestBody.Builder().trashedAt(null).build())

await client.FileVersions.UpdateFileVersionByIdAsync(fileId: file.Id, fileVersionId: fileVersion.Id, requestBody: new UpdateFileVersionByIdRequestBody() { TrashedAt = null });

{
  "id": "12345",
  "type": "file_version",
  "sha1": "134b65991ed521fcfe4724b7d814ab8ded5185dc",
  "name": "tigers.jpeg",
  "size": 629644,
  "created_at": "2012-12-12T10:53:43-08:00",
  "modified_at": "2012-12-12T10:53:43-08:00",
  "modified_by": {
    "id": "11446498",
    "type": "user",
    "name": "Aaron Levie",
    "login": "ceo@example.com"
  },
  "trashed_at": "2012-12-12T10:53:43-08:00",
  "trashed_by": {
    "id": "11446498",
    "type": "user",
    "name": "Aaron Levie",
    "login": "ceo@example.com"
  },
  "restored_at": "2012-12-12T10:53:43-08:00",
  "restored_by": {
    "id": "11446498",
    "type": "user",
    "name": "Aaron Levie",
    "login": "ceo@example.com"
  },
  "purged_at": "2012-12-12T10:53:43-08:00",
  "uploader_display_name": "Ellis Wiggins",
  "version_number": "1"
}

{
  "type": "error",
  "status": 400,
  "code": "item_name_invalid",
  "message": "Method Not Allowed",
  "context_info": {
    "message": "Something went wrong"
  },
  "help_url": "https://developer.box.com/guides/api-calls/permissions-and-errors/common-errors/",
  "request_id": "abcdef123456"
}