docs: docs update (#911)

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Fixes #<issue_number_goes_here> 🦕
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+.details {
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+</style>
+
+<h1><a href="translate_v3.html">Cloud Translation API</a> . <a href="translate_v3.projects.html">projects</a></h1>
+<h2>Instance Methods</h2>
+<p class="toc_element">
+  <code><a href="translate_v3.projects.locations.html">locations()</a></code>
+</p>
+<p class="firstline">Returns the locations Resource.</p>
+
+<p class="toc_element">
+  <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, 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>
+<p class="firstline">Translates input text and returns translated text.</p>
+<h3>Method Details</h3>
+<div class="method">
+    <code class="details" id="detectLanguage">detectLanguage(parent, body=None, x__xgafv=None)</code>
+  <pre>Detects the language of text within a request.
+
+Args:
+  parent: string, Required. Project or location to make a call. Must refer to a caller&#x27;s
+project.
+
+Format: `projects/{project-number-or-id}/locations/{location-id}` or
+`projects/{project-number-or-id}`.
+
+For global calls, use `projects/{project-number-or-id}/locations/global` or
+`projects/{project-number-or-id}`.
+
+Only models within the same region (has same location-id) can be used.
+Otherwise an INVALID_ARGUMENT (400) error is returned. (required)
+  body: object, The request body.
+    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;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/advanced/labels for more
+        # information.
+      &quot;a_key&quot;: &quot;A String&quot;,
+    },
+  }
+
+  x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
+
+Returns:
+  An object of the form:
+
+    { # The response message for language detection.
+    &quot;languages&quot;: [ # A list of detected languages sorted by detection confidence in descending
+        # order. The most probable language first.
+      { # The response message for language detection.
+        &quot;confidence&quot;: 3.14, # The confidence of the detection result for this language.
+        &quot;languageCode&quot;: &quot;A String&quot;, # The BCP-47 language code of source content in the request, detected
+            # automatically.
+      },
+    ],
+  }</pre>
+</div>
+
+<div class="method">
+    <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:
+  parent: string, Required. Project or location to make a call. Must refer to a caller&#x27;s
+project.
+
+Format: `projects/{project-number-or-id}` or
+`projects/{project-number-or-id}/locations/{location-id}`.
+
+For global calls, use `projects/{project-number-or-id}/locations/global` or
+`projects/{project-number-or-id}`.
+
+Non-global location is required for AutoML models.
+
+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:
+
+- AutoML Translation models:
+  `projects/{project-number-or-id}/locations/{location-id}/models/{model-id}`
+
+- General (built-in) models:
+  `projects/{project-number-or-id}/locations/{location-id}/models/general/nmt`,
+  `projects/{project-number-or-id}/locations/{location-id}/models/general/base`
+
+
+Returns languages supported by the specified model.
+If missing, we get supported languages of Google general base (PBMT) model.
+  x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
+
+Returns:
+  An object of the form:
+
+    { # The response message for discovering supported languages.
+    &quot;languages&quot;: [ # A list of supported language responses. This list contains an entry
+        # for each language the Translation API supports.
+      { # A single supported language response corresponds to information related
+          # to one supported language.
+        &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;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;)
+      },
+    ],
+  }</pre>
+</div>
+
+<div class="method">
+    <code class="details" id="translateText">translateText(parent, body=None, x__xgafv=None)</code>
+  <pre>Translates input text and returns translated text.
+
+Args:
+  parent: string, Required. Project or location to make a call. Must refer to a caller&#x27;s
+project.
+
+Format: `projects/{project-number-or-id}` or
+`projects/{project-number-or-id}/locations/{location-id}`.
+
+For global calls, use `projects/{project-number-or-id}/locations/global` or
+`projects/{project-number-or-id}`.
+
+Non-global location is required for requests using AutoML models or
+custom glossaries.
+
+Models and glossaries must be within the same region (have same
+location-id), otherwise an INVALID_ARGUMENT (400) error is returned. (required)
+  body: object, The request body.
+    The object takes the form of:
+
+{ # The request message for synchronous translation.
+    &quot;sourceLanguageCode&quot;: &quot;A String&quot;, # Optional. The BCP-47 language code of the input text if
+        # known, for example, &quot;en-US&quot; or &quot;sr-Latn&quot;. Supported language codes are
+        # 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;model&quot;: &quot;A String&quot;, # Optional. The `model` type requested for this translation.
+        # 
+        # The format depends on model type:
+        # 
+        # - AutoML Translation models:
+        #   `projects/{project-number-or-id}/locations/{location-id}/models/{model-id}`
+        # 
+        # - General (built-in) models:
+        #   `projects/{project-number-or-id}/locations/{location-id}/models/general/nmt`,
+        #   `projects/{project-number-or-id}/locations/{location-id}/models/general/base`
+        # 
+        # 
+        # For global (non-regionalized) requests, use `location-id` `global`.
+        # For example,
+        # `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. The `glossary` to be applied for this translation.
+          #
+          # The format depends on glossary:
+          #
+          # - User provided custom glossary:
+          #   `projects/{project-number-or-id}/locations/{location-id}/glossaries/{glossary-id}`
+      &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/advanced/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.
+  }
+
+  x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
+
+Returns:
+  An object of the form:
+
+    {
+    &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;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. The `glossary` to be applied for this translation.
+              #
+              # The format depends on glossary:
+              #
+              # - User provided custom glossary:
+              #   `projects/{project-number-or-id}/locations/{location-id}/glossaries/{glossary-id}`
+          &quot;ignoreCase&quot;: True or False, # Optional. Indicates match is case-insensitive.
+              # Default value is false if missing.
+        },
+      },
+    ],
+    &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. The `glossary` to be applied for this translation.
+              #
+              # The format depends on glossary:
+              #
+              # - User provided custom glossary:
+              #   `projects/{project-number-or-id}/locations/{location-id}/glossaries/{glossary-id}`
+          &quot;ignoreCase&quot;: True or False, # Optional. Indicates match is case-insensitive.
+              # Default value is false if missing.
+        },
+      },
+    ],
+  }</pre>
+</div>
+
+</body></html>
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