docs: update generated docs (#981)

diff --git a/docs/dyn/translate_v3beta1.projects.html b/docs/dyn/translate_v3beta1.projects.html
index 768e2a2..804c9f1 100644
--- a/docs/dyn/translate_v3beta1.projects.html
+++ b/docs/dyn/translate_v3beta1.projects.html
@@ -83,7 +83,7 @@
   <code><a href="#detectLanguage">detectLanguage(parent, body=None, x__xgafv=None)</a></code></p>
 <p class="firstline">Detects the language of text within a request.</p>
 <p class="toc_element">
-  <code><a href="#getSupportedLanguages">getSupportedLanguages(parent, model=None, displayLanguageCode=None, x__xgafv=None)</a></code></p>
+  <code><a href="#getSupportedLanguages">getSupportedLanguages(parent, displayLanguageCode=None, model=None, x__xgafv=None)</a></code></p>
 <p class="firstline">Returns a list of supported languages for translation.</p>
 <p class="toc_element">
   <code><a href="#translateText">translateText(parent, body=None, x__xgafv=None)</a></code></p>
@@ -109,18 +109,9 @@
     The object takes the form of:
 
 { # The request message for language detection.
-    &quot;content&quot;: &quot;A String&quot;, # The content of the input stored as a string.
-    &quot;model&quot;: &quot;A String&quot;, # Optional. The language detection model to be used.
-        # 
-        # Format:
-        # `projects/{project-number-or-id}/locations/{location-id}/models/language-detection/{model-id}`
-        # 
-        # Only one language detection model is currently supported:
-        # `projects/{project-number-or-id}/locations/{location-id}/models/language-detection/default`.
-        # 
-        # If not specified, the default model is used.
     &quot;mimeType&quot;: &quot;A String&quot;, # Optional. The format of the source text, for example, &quot;text/html&quot;,
         # &quot;text/plain&quot;. If left blank, the MIME type defaults to &quot;text/html&quot;.
+    &quot;content&quot;: &quot;A String&quot;, # The content of the input stored as a string.
     &quot;labels&quot;: { # Optional. The labels with user-defined metadata for the request.
         # 
         # Label keys and values can be no longer than 63 characters
@@ -131,6 +122,15 @@
         # See https://cloud.google.com/translate/docs/labels for more information.
       &quot;a_key&quot;: &quot;A String&quot;,
     },
+    &quot;model&quot;: &quot;A String&quot;, # Optional. The language detection model to be used.
+        # 
+        # Format:
+        # `projects/{project-number-or-id}/locations/{location-id}/models/language-detection/{model-id}`
+        # 
+        # Only one language detection model is currently supported:
+        # `projects/{project-number-or-id}/locations/{location-id}/models/language-detection/default`.
+        # 
+        # If not specified, the default model is used.
   }
 
   x__xgafv: string, V1 error format.
@@ -154,7 +154,7 @@
 </div>
 
 <div class="method">
-    <code class="details" id="getSupportedLanguages">getSupportedLanguages(parent, model=None, displayLanguageCode=None, x__xgafv=None)</code>
+    <code class="details" id="getSupportedLanguages">getSupportedLanguages(parent, displayLanguageCode=None, model=None, x__xgafv=None)</code>
   <pre>Returns a list of supported languages for translation.
 
 Args:
@@ -171,6 +171,9 @@
 
 Only models within the same region (have same location-id) can be used,
 otherwise an INVALID_ARGUMENT (400) error is returned. (required)
+  displayLanguageCode: string, Optional. The language to use to return localized, human readable names
+of supported languages. If missing, then display names are not returned
+in a response.
   model: string, Optional. Get supported languages of this model.
 
 The format depends on model type:
@@ -185,9 +188,6 @@
 
 Returns languages supported by the specified model.
 If missing, we get supported languages of Google general base (PBMT) model.
-  displayLanguageCode: string, Optional. The language to use to return localized, human readable names
-of supported languages. If missing, then display names are not returned
-in a response.
   x__xgafv: string, V1 error format.
     Allowed values
       1 - v1 error format
@@ -201,14 +201,14 @@
         # for each language the Translation API supports.
       { # A single supported language response corresponds to information related
           # to one supported language.
-        &quot;supportSource&quot;: True or False, # Can be used as source language.
         &quot;languageCode&quot;: &quot;A String&quot;, # Supported language code, generally consisting of its ISO 639-1
             # identifier, for example, &#x27;en&#x27;, &#x27;ja&#x27;. In certain cases, BCP-47 codes
             # including language and region identifiers are returned (for example,
             # &#x27;zh-TW&#x27; and &#x27;zh-CN&#x27;)
-        &quot;supportTarget&quot;: True or False, # Can be used as target language.
         &quot;displayName&quot;: &quot;A String&quot;, # Human readable name of the language localized in the display language
             # specified in the request.
+        &quot;supportSource&quot;: True or False, # Can be used as source language.
+        &quot;supportTarget&quot;: True or False, # Can be used as target language.
       },
     ],
   }</pre>
@@ -237,6 +237,16 @@
     The object takes the form of:
 
 { # The request message for synchronous translation.
+    &quot;labels&quot;: { # Optional. The labels with user-defined metadata for the request.
+        # 
+        # Label keys and values can be no longer than 63 characters
+        # (Unicode codepoints), can only contain lowercase letters, numeric
+        # characters, underscores and dashes. International characters are allowed.
+        # Label values are optional. Label keys must start with a letter.
+        # 
+        # See https://cloud.google.com/translate/docs/labels for more information.
+      &quot;a_key&quot;: &quot;A String&quot;,
+    },
     &quot;targetLanguageCode&quot;: &quot;A String&quot;, # Required. The BCP-47 language code to use for translation of the input
         # text, set to one of the language codes listed in Language Support.
     &quot;sourceLanguageCode&quot;: &quot;A String&quot;, # Optional. The BCP-47 language code of the input text if
@@ -244,6 +254,22 @@
         # listed in Language Support. If the source language isn&#x27;t specified, the API
         # attempts to identify the source language automatically and returns the
         # source language within the response.
+    &quot;mimeType&quot;: &quot;A String&quot;, # Optional. The format of the source text, for example, &quot;text/html&quot;,
+        #  &quot;text/plain&quot;. If left blank, the MIME type defaults to &quot;text/html&quot;.
+    &quot;glossaryConfig&quot;: { # Configures which glossary should be used for a specific target language, # Optional. Glossary to be applied. The glossary must be
+        # within the same region (have the same location-id) as the model, otherwise
+        # an INVALID_ARGUMENT (400) error is returned.
+        # and defines options for applying that glossary.
+      &quot;ignoreCase&quot;: True or False, # Optional. Indicates match is case-insensitive.
+          # Default value is false if missing.
+      &quot;glossary&quot;: &quot;A String&quot;, # Required. Specifies the glossary used for this translation. Use
+          # this format: projects/*/locations/*/glossaries/*
+    },
+    &quot;contents&quot;: [ # Required. The content of the input in string format.
+        # We recommend the total content be less than 30k codepoints.
+        # Use BatchTranslateText for larger text.
+      &quot;A String&quot;,
+    ],
     &quot;model&quot;: &quot;A String&quot;, # Optional. The `model` type requested for this translation.
         # 
         # The format depends on model type:
@@ -261,32 +287,6 @@
         # `projects/{project-number-or-id}/locations/global/models/general/nmt`.
         # 
         # If missing, the system decides which google base model to use.
-    &quot;contents&quot;: [ # Required. The content of the input in string format.
-        # We recommend the total content be less than 30k codepoints.
-        # Use BatchTranslateText for larger text.
-      &quot;A String&quot;,
-    ],
-    &quot;mimeType&quot;: &quot;A String&quot;, # Optional. The format of the source text, for example, &quot;text/html&quot;,
-        #  &quot;text/plain&quot;. If left blank, the MIME type defaults to &quot;text/html&quot;.
-    &quot;glossaryConfig&quot;: { # Configures which glossary should be used for a specific target language, # Optional. Glossary to be applied. The glossary must be
-        # within the same region (have the same location-id) as the model, otherwise
-        # an INVALID_ARGUMENT (400) error is returned.
-        # and defines options for applying that glossary.
-      &quot;glossary&quot;: &quot;A String&quot;, # Required. Specifies the glossary used for this translation. Use
-          # this format: projects/*/locations/*/glossaries/*
-      &quot;ignoreCase&quot;: True or False, # Optional. Indicates match is case-insensitive.
-          # Default value is false if missing.
-    },
-    &quot;labels&quot;: { # Optional. The labels with user-defined metadata for the request.
-        # 
-        # Label keys and values can be no longer than 63 characters
-        # (Unicode codepoints), can only contain lowercase letters, numeric
-        # characters, underscores and dashes. International characters are allowed.
-        # Label values are optional. Label keys must start with a letter.
-        # 
-        # See https://cloud.google.com/translate/docs/labels for more information.
-      &quot;a_key&quot;: &quot;A String&quot;,
-    },
   }
 
   x__xgafv: string, V1 error format.
@@ -298,12 +298,42 @@
   An object of the form:
 
     {
+    &quot;translations&quot;: [ # Text translation responses with no glossary applied.
+        # This field has the same length as
+        # `contents`.
+      { # A single translation response.
+        &quot;detectedLanguageCode&quot;: &quot;A String&quot;, # The BCP-47 language code of source text in the initial request, detected
+            # automatically, if no source language was passed within the initial
+            # request. If the source language was passed, auto-detection of the language
+            # does not occur and this field is empty.
+        &quot;model&quot;: &quot;A String&quot;, # Only present when `model` is present in the request.
+            # `model` here is normalized to have project number.
+            #
+            # For example:
+            # If the `model` requested in TranslationTextRequest is
+            # `projects/{project-id}/locations/{location-id}/models/general/nmt` then
+            # `model` here would be normalized to
+            # `projects/{project-number}/locations/{location-id}/models/general/nmt`.
+        &quot;glossaryConfig&quot;: { # Configures which glossary should be used for a specific target language, # The `glossary_config` used for this translation.
+            # and defines options for applying that glossary.
+          &quot;ignoreCase&quot;: True or False, # Optional. Indicates match is case-insensitive.
+              # Default value is false if missing.
+          &quot;glossary&quot;: &quot;A String&quot;, # Required. Specifies the glossary used for this translation. Use
+              # this format: projects/*/locations/*/glossaries/*
+        },
+        &quot;translatedText&quot;: &quot;A String&quot;, # Text translated into the target language.
+      },
+    ],
     &quot;glossaryTranslations&quot;: [ # Text translation responses if a glossary is provided in the request.
         # This can be the same as
         # `translations` if no terms apply.
         # This field has the same length as
         # `contents`.
       { # A single translation response.
+        &quot;detectedLanguageCode&quot;: &quot;A String&quot;, # The BCP-47 language code of source text in the initial request, detected
+            # automatically, if no source language was passed within the initial
+            # request. If the source language was passed, auto-detection of the language
+            # does not occur and this field is empty.
         &quot;model&quot;: &quot;A String&quot;, # Only present when `model` is present in the request.
             # `model` here is normalized to have project number.
             #
@@ -312,44 +342,14 @@
             # `projects/{project-id}/locations/{location-id}/models/general/nmt` then
             # `model` here would be normalized to
             # `projects/{project-number}/locations/{location-id}/models/general/nmt`.
-        &quot;translatedText&quot;: &quot;A String&quot;, # Text translated into the target language.
-        &quot;detectedLanguageCode&quot;: &quot;A String&quot;, # The BCP-47 language code of source text in the initial request, detected
-            # automatically, if no source language was passed within the initial
-            # request. If the source language was passed, auto-detection of the language
-            # does not occur and this field is empty.
         &quot;glossaryConfig&quot;: { # Configures which glossary should be used for a specific target language, # The `glossary_config` used for this translation.
             # and defines options for applying that glossary.
-          &quot;glossary&quot;: &quot;A String&quot;, # Required. Specifies the glossary used for this translation. Use
-              # this format: projects/*/locations/*/glossaries/*
           &quot;ignoreCase&quot;: True or False, # Optional. Indicates match is case-insensitive.
               # Default value is false if missing.
+          &quot;glossary&quot;: &quot;A String&quot;, # Required. Specifies the glossary used for this translation. Use
+              # this format: projects/*/locations/*/glossaries/*
         },
-      },
-    ],
-    &quot;translations&quot;: [ # Text translation responses with no glossary applied.
-        # This field has the same length as
-        # `contents`.
-      { # A single translation response.
-        &quot;model&quot;: &quot;A String&quot;, # Only present when `model` is present in the request.
-            # `model` here is normalized to have project number.
-            #
-            # For example:
-            # If the `model` requested in TranslationTextRequest is
-            # `projects/{project-id}/locations/{location-id}/models/general/nmt` then
-            # `model` here would be normalized to
-            # `projects/{project-number}/locations/{location-id}/models/general/nmt`.
         &quot;translatedText&quot;: &quot;A String&quot;, # Text translated into the target language.
-        &quot;detectedLanguageCode&quot;: &quot;A String&quot;, # The BCP-47 language code of source text in the initial request, detected
-            # automatically, if no source language was passed within the initial
-            # request. If the source language was passed, auto-detection of the language
-            # does not occur and this field is empty.
-        &quot;glossaryConfig&quot;: { # Configures which glossary should be used for a specific target language, # The `glossary_config` used for this translation.
-            # and defines options for applying that glossary.
-          &quot;glossary&quot;: &quot;A String&quot;, # Required. Specifies the glossary used for this translation. Use
-              # this format: projects/*/locations/*/glossaries/*
-          &quot;ignoreCase&quot;: True or False, # Optional. Indicates match is case-insensitive.
-              # Default value is false if missing.
-        },
       },
     ],
   }</pre>