chore: regens API reference docs (#889)

diff --git a/docs/dyn/bigquerydatatransfer_v1.projects.dataSources.html b/docs/dyn/bigquerydatatransfer_v1.projects.dataSources.html
index 429a60c..e53f432 100644
--- a/docs/dyn/bigquerydatatransfer_v1.projects.dataSources.html
+++ b/docs/dyn/bigquerydatatransfer_v1.projects.dataSources.html
@@ -97,8 +97,9 @@
 create a transfer config.
 
 Args:
-  name: string, The data source in the form:
-`projects/{project_id}/dataSources/{data_source_id}` (required)
+  name: string, Required. The data source in the form:
+`projects/{project_id}/dataSources/{data_source_id}` or
+`projects/{project_id}/locations/{location_id}/dataSources/{data_source_id}`. (required)
   body: object, The request body.
     The object takes the form of:
 
@@ -129,8 +130,9 @@
 which can be used for UI rendering.
 
 Args:
-  name: string, The field will contain name of the resource requested, for example:
-`projects/{project_id}/dataSources/{data_source_id}` (required)
+  name: string, Required. The field will contain name of the resource requested, for example:
+`projects/{project_id}/dataSources/{data_source_id}` or
+`projects/{project_id}/locations/{location_id}/dataSources/{data_source_id}` (required)
   x__xgafv: string, V1 error format.
     Allowed values
       1 - v1 error format
@@ -150,19 +152,46 @@
     "supportsCustomSchedule": True or False, # Specifies whether the data source supports a user defined schedule, or
         # operates on the default schedule.
         # When set to `true`, user can override default schedule.
-    "name": "A String", # Output only. Data source resource name.
     "dataRefreshType": "A String", # Specifies whether the data source supports automatic data refresh for the
         # past few days, and how it's supported.
         # For some data sources, data might not be complete until a few days later,
         # so it's useful to refresh data automatically.
-    "helpUrl": "A String", # Url for the help document for this data source.
-    "authorizationType": "A String", # Indicates the type of authorization.
+    "parameters": [ # Data source parameters.
+      { # Represents a data source parameter with validation rules, so that
+          # parameters can be rendered in the UI. These parameters are given to us by
+          # supported data sources, and include all needed information for rendering
+          # and validation.
+          # Thus, whoever uses this api can decide to generate either generic ui,
+          # or custom data source specific forms.
+        "paramId": "A String", # Parameter identifier.
+        "displayName": "A String", # Parameter display name in the user interface.
+        "description": "A String", # Parameter description.
+        "validationDescription": "A String", # Description of the requirements for this field, in case the user input does
+            # not fulfill the regex pattern or min/max values.
+        "deprecated": True or False, # If true, it should not be used in new transfers, and it should not be
+            # visible to users.
+        "required": True or False, # Is parameter required.
+        "recurse": True or False, # Deprecated. This field has no effect.
+        "maxValue": 3.14, # For integer and double values specifies maxminum allowed value.
+        "minValue": 3.14, # For integer and double values specifies minimum allowed value.
+        "repeated": True or False, # Deprecated. This field has no effect.
+        "fields": [ # Deprecated. This field has no effect.
+          # Object with schema name: DataSourceParameter
+        ],
+        "validationRegex": "A String", # Regular expression which can be used for parameter validation.
+        "validationHelpUrl": "A String", # URL to a help document to further explain the naming requirements.
+        "allowedValues": [ # All possible values for the parameter.
+          "A String",
+        ],
+        "type": "A String", # Parameter type.
+        "immutable": True or False, # Cannot be changed after initial creation.
+      },
+    ],
     "description": "A String", # User friendly data source description string.
-    "clientId": "A String", # Data source client id which should be used to receive refresh token.
-    "updateDeadlineSeconds": 42, # The number of seconds to wait for an update from the data source
-        # before the Data Transfer Service marks the transfer as FAILED.
     "manualRunsDisabled": True or False, # Disables backfilling and manual run scheduling
         # for the data source.
+    "name": "A String", # Output only. Data source resource name.
+    "clientId": "A String", # Data source client id which should be used to receive refresh token.
     "defaultSchedule": "A String", # Default data transfer schedule.
         # Examples of valid schedules include:
         # `1st,3rd monday of month 15:30`,
@@ -171,37 +200,12 @@
     "dataSourceId": "A String", # Data source id.
     "defaultDataRefreshWindowDays": 42, # Default data refresh window on days.
         # Only meaningful when `data_refresh_type` = `SLIDING_WINDOW`.
-    "supportsMultipleTransfers": True or False, # Deprecated. This field has no effect.
     "displayName": "A String", # User friendly data source name.
-    "parameters": [ # Data source parameters.
-      { # Represents a data source parameter with validation rules, so that
-          # parameters can be rendered in the UI. These parameters are given to us by
-          # supported data sources, and include all needed information for rendering
-          # and validation.
-          # Thus, whoever uses this api can decide to generate either generic ui,
-          # or custom data source specific forms.
-        "displayName": "A String", # Parameter display name in the user interface.
-        "description": "A String", # Parameter description.
-        "validationDescription": "A String", # Description of the requirements for this field, in case the user input does
-            # not fulfill the regex pattern or min/max values.
-        "fields": [ # Deprecated. This field has no effect.
-          # Object with schema name: DataSourceParameter
-        ],
-        "required": True or False, # Is parameter required.
-        "recurse": True or False, # Deprecated. This field has no effect.
-        "maxValue": 3.14, # For integer and double values specifies maxminum allowed value.
-        "minValue": 3.14, # For integer and double values specifies minimum allowed value.
-        "repeated": True or False, # Deprecated. This field has no effect.
-        "validationRegex": "A String", # Regular expression which can be used for parameter validation.
-        "validationHelpUrl": "A String", # URL to a help document to further explain the naming requirements.
-        "paramId": "A String", # Parameter identifier.
-        "type": "A String", # Parameter type.
-        "immutable": True or False, # Cannot be changed after initial creation.
-        "allowedValues": [ # All possible values for the parameter.
-          "A String",
-        ],
-      },
-    ],
+    "supportsMultipleTransfers": True or False, # Deprecated. This field has no effect.
+    "helpUrl": "A String", # Url for the help document for this data source.
+    "authorizationType": "A String", # Indicates the type of authorization.
+    "updateDeadlineSeconds": 42, # The number of seconds to wait for an update from the data source
+        # before the Data Transfer Service marks the transfer as FAILED.
     "transferType": "A String", # Deprecated. This field has no effect.
   }</pre>
 </div>
@@ -212,8 +216,9 @@
 which can be used for UI rendering.
 
 Args:
-  parent: string, The BigQuery project id for which data sources should be returned.
-Must be in the form: `projects/{project_id}` (required)
+  parent: string, Required. The BigQuery project id for which data sources should be returned.
+Must be in the form: `projects/{project_id}` or
+`projects/{project_id}/locations/{location_id} (required)
   pageToken: string, Pagination token, which can be used to request a specific page
 of `ListDataSourcesRequest` list results. For multiple-page
 results, `ListDataSourcesResponse` outputs
@@ -245,19 +250,46 @@
         "supportsCustomSchedule": True or False, # Specifies whether the data source supports a user defined schedule, or
             # operates on the default schedule.
             # When set to `true`, user can override default schedule.
-        "name": "A String", # Output only. Data source resource name.
         "dataRefreshType": "A String", # Specifies whether the data source supports automatic data refresh for the
             # past few days, and how it's supported.
             # For some data sources, data might not be complete until a few days later,
             # so it's useful to refresh data automatically.
-        "helpUrl": "A String", # Url for the help document for this data source.
-        "authorizationType": "A String", # Indicates the type of authorization.
+        "parameters": [ # Data source parameters.
+          { # Represents a data source parameter with validation rules, so that
+              # parameters can be rendered in the UI. These parameters are given to us by
+              # supported data sources, and include all needed information for rendering
+              # and validation.
+              # Thus, whoever uses this api can decide to generate either generic ui,
+              # or custom data source specific forms.
+            "paramId": "A String", # Parameter identifier.
+            "displayName": "A String", # Parameter display name in the user interface.
+            "description": "A String", # Parameter description.
+            "validationDescription": "A String", # Description of the requirements for this field, in case the user input does
+                # not fulfill the regex pattern or min/max values.
+            "deprecated": True or False, # If true, it should not be used in new transfers, and it should not be
+                # visible to users.
+            "required": True or False, # Is parameter required.
+            "recurse": True or False, # Deprecated. This field has no effect.
+            "maxValue": 3.14, # For integer and double values specifies maxminum allowed value.
+            "minValue": 3.14, # For integer and double values specifies minimum allowed value.
+            "repeated": True or False, # Deprecated. This field has no effect.
+            "fields": [ # Deprecated. This field has no effect.
+              # Object with schema name: DataSourceParameter
+            ],
+            "validationRegex": "A String", # Regular expression which can be used for parameter validation.
+            "validationHelpUrl": "A String", # URL to a help document to further explain the naming requirements.
+            "allowedValues": [ # All possible values for the parameter.
+              "A String",
+            ],
+            "type": "A String", # Parameter type.
+            "immutable": True or False, # Cannot be changed after initial creation.
+          },
+        ],
         "description": "A String", # User friendly data source description string.
-        "clientId": "A String", # Data source client id which should be used to receive refresh token.
-        "updateDeadlineSeconds": 42, # The number of seconds to wait for an update from the data source
-            # before the Data Transfer Service marks the transfer as FAILED.
         "manualRunsDisabled": True or False, # Disables backfilling and manual run scheduling
             # for the data source.
+        "name": "A String", # Output only. Data source resource name.
+        "clientId": "A String", # Data source client id which should be used to receive refresh token.
         "defaultSchedule": "A String", # Default data transfer schedule.
             # Examples of valid schedules include:
             # `1st,3rd monday of month 15:30`,
@@ -266,37 +298,12 @@
         "dataSourceId": "A String", # Data source id.
         "defaultDataRefreshWindowDays": 42, # Default data refresh window on days.
             # Only meaningful when `data_refresh_type` = `SLIDING_WINDOW`.
-        "supportsMultipleTransfers": True or False, # Deprecated. This field has no effect.
         "displayName": "A String", # User friendly data source name.
-        "parameters": [ # Data source parameters.
-          { # Represents a data source parameter with validation rules, so that
-              # parameters can be rendered in the UI. These parameters are given to us by
-              # supported data sources, and include all needed information for rendering
-              # and validation.
-              # Thus, whoever uses this api can decide to generate either generic ui,
-              # or custom data source specific forms.
-            "displayName": "A String", # Parameter display name in the user interface.
-            "description": "A String", # Parameter description.
-            "validationDescription": "A String", # Description of the requirements for this field, in case the user input does
-                # not fulfill the regex pattern or min/max values.
-            "fields": [ # Deprecated. This field has no effect.
-              # Object with schema name: DataSourceParameter
-            ],
-            "required": True or False, # Is parameter required.
-            "recurse": True or False, # Deprecated. This field has no effect.
-            "maxValue": 3.14, # For integer and double values specifies maxminum allowed value.
-            "minValue": 3.14, # For integer and double values specifies minimum allowed value.
-            "repeated": True or False, # Deprecated. This field has no effect.
-            "validationRegex": "A String", # Regular expression which can be used for parameter validation.
-            "validationHelpUrl": "A String", # URL to a help document to further explain the naming requirements.
-            "paramId": "A String", # Parameter identifier.
-            "type": "A String", # Parameter type.
-            "immutable": True or False, # Cannot be changed after initial creation.
-            "allowedValues": [ # All possible values for the parameter.
-              "A String",
-            ],
-          },
-        ],
+        "supportsMultipleTransfers": True or False, # Deprecated. This field has no effect.
+        "helpUrl": "A String", # Url for the help document for this data source.
+        "authorizationType": "A String", # Indicates the type of authorization.
+        "updateDeadlineSeconds": 42, # The number of seconds to wait for an update from the data source
+            # before the Data Transfer Service marks the transfer as FAILED.
         "transferType": "A String", # Deprecated. This field has no effect.
       },
     ],