chore: regens API reference docs (#889)

diff --git a/docs/dyn/compute_v1.regionCommitments.html b/docs/dyn/compute_v1.regionCommitments.html
index 198e4e7..810f5ae 100644
--- a/docs/dyn/compute_v1.regionCommitments.html
+++ b/docs/dyn/compute_v1.regionCommitments.html
@@ -75,7 +75,7 @@
 <h1><a href="compute_v1.html">Compute Engine API</a> . <a href="compute_v1.regionCommitments.html">regionCommitments</a></h1>
 <h2>Instance Methods</h2>
 <p class="toc_element">
-  <code><a href="#aggregatedList">aggregatedList(project, orderBy=None, maxResults=None, pageToken=None, filter=None)</a></code></p>
+  <code><a href="#aggregatedList">aggregatedList(project, orderBy=None, maxResults=None, pageToken=None, filter=None, includeAllScopes=None)</a></code></p>
 <p class="firstline">Retrieves an aggregated list of commitments.</p>
 <p class="toc_element">
   <code><a href="#aggregatedList_next">aggregatedList_next(previous_request, previous_response)</a></code></p>
@@ -84,7 +84,7 @@
   <code><a href="#get">get(project, region, commitment)</a></code></p>
 <p class="firstline">Returns the specified commitment resource. Gets a list of available commitments by making a list() request.</p>
 <p class="toc_element">
-  <code><a href="#insert">insert(project, region, body, requestId=None)</a></code></p>
+  <code><a href="#insert">insert(project, region, body=None, requestId=None)</a></code></p>
 <p class="firstline">Creates a commitment in the specified project using the data included in the request.</p>
 <p class="toc_element">
   <code><a href="#list">list(project, region, orderBy=None, maxResults=None, pageToken=None, filter=None)</a></code></p>
@@ -94,25 +94,26 @@
 <p class="firstline">Retrieves the next page of results.</p>
 <h3>Method Details</h3>
 <div class="method">
-    <code class="details" id="aggregatedList">aggregatedList(project, orderBy=None, maxResults=None, pageToken=None, filter=None)</code>
+    <code class="details" id="aggregatedList">aggregatedList(project, orderBy=None, maxResults=None, pageToken=None, filter=None, includeAllScopes=None)</code>
   <pre>Retrieves an aggregated list of commitments.
 
 Args:
   project: string, Project ID for this request. (required)
   orderBy: string, Sorts list results by a certain order. By default, results are returned in alphanumerical order based on the resource name.
 
-You can also sort results in descending order based on the creation timestamp using orderBy="creationTimestamp desc". This sorts results based on the creationTimestamp field in reverse chronological order (newest result first). Use this to sort resources like operations so that the newest operation is returned first.
+You can also sort results in descending order based on the creation timestamp using `orderBy="creationTimestamp desc"`. This sorts results based on the `creationTimestamp` field in reverse chronological order (newest result first). Use this to sort resources like operations so that the newest operation is returned first.
 
-Currently, only sorting by name or creationTimestamp desc is supported.
-  maxResults: integer, The maximum number of results per page that should be returned. If the number of available results is larger than maxResults, Compute Engine returns a nextPageToken that can be used to get the next page of results in subsequent list requests. Acceptable values are 0 to 500, inclusive. (Default: 500)
-  pageToken: string, Specifies a page token to use. Set pageToken to the nextPageToken returned by a previous list request to get the next page of results.
-  filter: string, A filter expression that filters resources listed in the response. The expression must specify the field name, a comparison operator, and the value that you want to use for filtering. The value must be a string, a number, or a boolean. The comparison operator must be either =, !=, >, or <.
+Currently, only sorting by `name` or `creationTimestamp desc` is supported.
+  maxResults: integer, The maximum number of results per page that should be returned. If the number of available results is larger than `maxResults`, Compute Engine returns a `nextPageToken` that can be used to get the next page of results in subsequent list requests. Acceptable values are `0` to `500`, inclusive. (Default: `500`)
+  pageToken: string, Specifies a page token to use. Set `pageToken` to the `nextPageToken` returned by a previous list request to get the next page of results.
+  filter: string, A filter expression that filters resources listed in the response. The expression must specify the field name, a comparison operator, and the value that you want to use for filtering. The value must be a string, a number, or a boolean. The comparison operator must be either `=`, `!=`, `&gt;`, or `&lt;`.
 
-For example, if you are filtering Compute Engine instances, you can exclude instances named example-instance by specifying name != example-instance.
+For example, if you are filtering Compute Engine instances, you can exclude instances named `example-instance` by specifying `name != example-instance`.
 
-You can also filter nested fields. For example, you could specify scheduling.automaticRestart = false to include instances only if they are not scheduled for automatic restarts. You can use filtering on nested fields to filter based on resource labels.
+You can also filter nested fields. For example, you could specify `scheduling.automaticRestart = false` to include instances only if they are not scheduled for automatic restarts. You can use filtering on nested fields to filter based on resource labels.
 
-To filter on multiple expressions, provide each separate expression within parentheses. For example, (scheduling.automaticRestart = true) (cpuPlatform = "Intel Skylake"). By default, each expression is an AND expression. However, you can include AND and OR expressions explicitly. For example, (cpuPlatform = "Intel Skylake") OR (cpuPlatform = "Intel Broadwell") AND (scheduling.automaticRestart = true).
+To filter on multiple expressions, provide each separate expression within parentheses. For example: ``` (scheduling.automaticRestart = true) (cpuPlatform = "Intel Skylake") ``` By default, each expression is an `AND` expression. However, you can include `AND` and `OR` expressions explicitly. For example: ``` (cpuPlatform = "Intel Skylake") OR (cpuPlatform = "Intel Broadwell") AND (scheduling.automaticRestart = true) ```
+  includeAllScopes: boolean, Indicates whether every visible scope for each scope type (zone, region, global) should be included in the response. For new resource types added after this field, the flag has no effect as new resource types will always include every visible scope for each scope type in response. For resource types which predate this field, if this flag is omitted or false, only scopes of the scope types where the resource type is expected to be found will be included.
 
 Returns:
   An object of the form:
@@ -136,13 +137,47 @@
         "commitments": [ # [Output Only] A list of commitments contained in this scope.
           { # Represents a regional Commitment resource.
                 #
-                # Creating a commitment resource means that you are purchasing a committed use contract with an explicit start and end time. You can create commitments based on vCPUs and memory usage and receive discounted rates. For full details, read Signing Up for Committed Use Discounts. (== resource_for beta.regionCommitments ==) (== resource_for v1.regionCommitments ==)
+                # Creating a commitment resource means that you are purchasing a committed use contract with an explicit start and end time. You can create commitments based on vCPUs and memory usage and receive discounted rates. For full details, read Signing Up for Committed Use Discounts. (== resource_for {$api_version}.regionCommitments ==)
               "status": "A String", # [Output Only] Status of the commitment with regards to eventual expiration (each commitment has an end date defined). One of the following values: NOT_YET_ACTIVE, ACTIVE, EXPIRED.
               "selfLink": "A String", # [Output Only] Server-defined URL for the resource.
               "kind": "compute#commitment", # [Output Only] Type of the resource. Always compute#commitment for commitments.
               "statusMessage": "A String", # [Output Only] An optional, human-readable explanation of the status.
               "description": "A String", # An optional description of this resource. Provide this property when you create the resource.
               "startTimestamp": "A String", # [Output Only] Commitment start time in RFC3339 text format.
+              "reservations": [ # List of reservations in this commitment.
+                { # Represents a reservation resource. A reservation ensures that capacity is held in a specific zone even if the reserved VMs are not running. For more information, read  Reserving zonal resources. (== resource_for {$api_version}.reservations ==)
+                  "status": "A String", # [Output Only] The status of the reservation.
+                  "kind": "compute#reservation", # [Output Only] Type of the resource. Always compute#reservations for reservations.
+                  "name": "A String", # The name of the resource, provided by the client when initially creating the resource. The resource name must be 1-63 characters long, and comply with RFC1035. Specifically, the name must be 1-63 characters long and match the regular expression `[a-z]([-a-z0-9]*[a-z0-9])?` which means the first character must be a lowercase letter, and all following characters must be a dash, lowercase letter, or digit, except the last character, which cannot be a dash.
+                  "specificReservationRequired": True or False, # Indicates whether the reservation can be consumed by VMs with affinity for "any" reservation. If the field is set, then only VMs that target the reservation by name can consume from this reservation.
+                  "commitment": "A String", # [Output Only] Full or partial URL to a parent commitment. This field displays for reservations that are tied to a commitment.
+                  "specificReservation": { # This reservation type allows to pre allocate specific instance configuration. # Reservation for instances with specific machine shapes.
+                    "count": "A String", # Specifies the number of resources that are allocated.
+                    "instanceProperties": { # Properties of the SKU instances being reserved. # The instance properties for the reservation.
+                      "minCpuPlatform": "A String", # Minimum cpu platform the reservation.
+                      "machineType": "A String", # Specifies type of machine (name only) which has fixed number of vCPUs and fixed amount of memory. This also includes specifying custom machine type following custom-NUMBER_OF_CPUS-AMOUNT_OF_MEMORY pattern.
+                      "guestAccelerators": [ # Specifies accelerator type and count.
+                        { # A specification of the type and number of accelerator cards attached to the instance.
+                          "acceleratorCount": 42, # The number of the guest accelerator cards exposed to this instance.
+                          "acceleratorType": "A String", # Full or partial URL of the accelerator type resource to attach to this instance. For example: projects/my-project/zones/us-central1-c/acceleratorTypes/nvidia-tesla-p100 If you are creating an instance template, specify only the accelerator name. See GPUs on Compute Engine for a full list of accelerator types.
+                        },
+                      ],
+                      "localSsds": [ # Specifies amount of local ssd to reserve with each instance. The type of disk is local-ssd.
+                        {
+                          "interface": "A String", # Specifies the disk interface to use for attaching this disk, which is either SCSI or NVME. The default is SCSI. For performance characteristics of SCSI over NVMe, see Local SSD performance.
+                          "diskSizeGb": "A String", # Specifies the size of the disk in base-2 GB.
+                        },
+                      ],
+                    },
+                    "inUseCount": "A String", # [Output Only] Indicates how many instances are in use.
+                  },
+                  "zone": "A String", # Zone in which the reservation resides. A zone must be provided if the reservation is created within a commitment.
+                  "creationTimestamp": "A String", # [Output Only] Creation timestamp in RFC3339 text format.
+                  "id": "A String", # [Output Only] The unique identifier for the resource. This identifier is defined by the server.
+                  "selfLink": "A String", # [Output Only] Server-defined fully-qualified URL for this resource.
+                  "description": "A String", # An optional description of this resource. Provide this property when you create the resource.
+                },
+              ],
               "region": "A String", # [Output Only] URL of the region where this commitment may be used.
               "endTimestamp": "A String", # [Output Only] Commitment end time in RFC3339 text format.
               "plan": "A String", # The plan for this commitment, which determines duration and discount rate. The currently supported plans are TWELVE_MONTH (1 year), and THIRTY_SIX_MONTH (3 years).
@@ -150,8 +185,9 @@
               "id": "A String", # [Output Only] The unique identifier for the resource. This identifier is defined by the server.
               "resources": [ # A list of commitment amounts for particular resources. Note that VCPU and MEMORY resource commitments must occur together.
                 { # Commitment for a particular resource (a Commitment is composed of one or more of these).
-                  "amount": "A String", # The amount of the resource purchased (in a type-dependent unit, such as bytes). For vCPUs, this can just be an integer. For memory, this must be provided in MB. Memory must be a multiple of 256 MB, with up to 6.5GB of memory per every vCPU.
+                  "acceleratorType": "A String", # Name of the accelerator type resource. Applicable only when the type is ACCELERATOR.
                   "type": "A String", # Type of resource for which this commitment applies. Possible values are VCPU and MEMORY
+                  "amount": "A String", # The amount of the resource purchased (in a type-dependent unit, such as bytes). For vCPUs, this can just be an integer. For memory, this must be provided in MB. Memory must be a multiple of 256 MB, with up to 6.5GB of memory per every vCPU.
                 },
               ],
               "name": "A String", # Name of the resource. Provided by the client when the resource is created. The name must be 1-63 characters long, and comply with RFC1035. Specifically, the name must be 1-63 characters long and match the regular expression `[a-z]([-a-z0-9]*[a-z0-9])?` which means the first character must be a lowercase letter, and all following characters must be a dash, lowercase letter, or digit, except the last character, which cannot be a dash.
@@ -203,13 +239,47 @@
 
     { # Represents a regional Commitment resource.
         #
-        # Creating a commitment resource means that you are purchasing a committed use contract with an explicit start and end time. You can create commitments based on vCPUs and memory usage and receive discounted rates. For full details, read Signing Up for Committed Use Discounts. (== resource_for beta.regionCommitments ==) (== resource_for v1.regionCommitments ==)
+        # Creating a commitment resource means that you are purchasing a committed use contract with an explicit start and end time. You can create commitments based on vCPUs and memory usage and receive discounted rates. For full details, read Signing Up for Committed Use Discounts. (== resource_for {$api_version}.regionCommitments ==)
       "status": "A String", # [Output Only] Status of the commitment with regards to eventual expiration (each commitment has an end date defined). One of the following values: NOT_YET_ACTIVE, ACTIVE, EXPIRED.
       "selfLink": "A String", # [Output Only] Server-defined URL for the resource.
       "kind": "compute#commitment", # [Output Only] Type of the resource. Always compute#commitment for commitments.
       "statusMessage": "A String", # [Output Only] An optional, human-readable explanation of the status.
       "description": "A String", # An optional description of this resource. Provide this property when you create the resource.
       "startTimestamp": "A String", # [Output Only] Commitment start time in RFC3339 text format.
+      "reservations": [ # List of reservations in this commitment.
+        { # Represents a reservation resource. A reservation ensures that capacity is held in a specific zone even if the reserved VMs are not running. For more information, read  Reserving zonal resources. (== resource_for {$api_version}.reservations ==)
+          "status": "A String", # [Output Only] The status of the reservation.
+          "kind": "compute#reservation", # [Output Only] Type of the resource. Always compute#reservations for reservations.
+          "name": "A String", # The name of the resource, provided by the client when initially creating the resource. The resource name must be 1-63 characters long, and comply with RFC1035. Specifically, the name must be 1-63 characters long and match the regular expression `[a-z]([-a-z0-9]*[a-z0-9])?` which means the first character must be a lowercase letter, and all following characters must be a dash, lowercase letter, or digit, except the last character, which cannot be a dash.
+          "specificReservationRequired": True or False, # Indicates whether the reservation can be consumed by VMs with affinity for "any" reservation. If the field is set, then only VMs that target the reservation by name can consume from this reservation.
+          "commitment": "A String", # [Output Only] Full or partial URL to a parent commitment. This field displays for reservations that are tied to a commitment.
+          "specificReservation": { # This reservation type allows to pre allocate specific instance configuration. # Reservation for instances with specific machine shapes.
+            "count": "A String", # Specifies the number of resources that are allocated.
+            "instanceProperties": { # Properties of the SKU instances being reserved. # The instance properties for the reservation.
+              "minCpuPlatform": "A String", # Minimum cpu platform the reservation.
+              "machineType": "A String", # Specifies type of machine (name only) which has fixed number of vCPUs and fixed amount of memory. This also includes specifying custom machine type following custom-NUMBER_OF_CPUS-AMOUNT_OF_MEMORY pattern.
+              "guestAccelerators": [ # Specifies accelerator type and count.
+                { # A specification of the type and number of accelerator cards attached to the instance.
+                  "acceleratorCount": 42, # The number of the guest accelerator cards exposed to this instance.
+                  "acceleratorType": "A String", # Full or partial URL of the accelerator type resource to attach to this instance. For example: projects/my-project/zones/us-central1-c/acceleratorTypes/nvidia-tesla-p100 If you are creating an instance template, specify only the accelerator name. See GPUs on Compute Engine for a full list of accelerator types.
+                },
+              ],
+              "localSsds": [ # Specifies amount of local ssd to reserve with each instance. The type of disk is local-ssd.
+                {
+                  "interface": "A String", # Specifies the disk interface to use for attaching this disk, which is either SCSI or NVME. The default is SCSI. For performance characteristics of SCSI over NVMe, see Local SSD performance.
+                  "diskSizeGb": "A String", # Specifies the size of the disk in base-2 GB.
+                },
+              ],
+            },
+            "inUseCount": "A String", # [Output Only] Indicates how many instances are in use.
+          },
+          "zone": "A String", # Zone in which the reservation resides. A zone must be provided if the reservation is created within a commitment.
+          "creationTimestamp": "A String", # [Output Only] Creation timestamp in RFC3339 text format.
+          "id": "A String", # [Output Only] The unique identifier for the resource. This identifier is defined by the server.
+          "selfLink": "A String", # [Output Only] Server-defined fully-qualified URL for this resource.
+          "description": "A String", # An optional description of this resource. Provide this property when you create the resource.
+        },
+      ],
       "region": "A String", # [Output Only] URL of the region where this commitment may be used.
       "endTimestamp": "A String", # [Output Only] Commitment end time in RFC3339 text format.
       "plan": "A String", # The plan for this commitment, which determines duration and discount rate. The currently supported plans are TWELVE_MONTH (1 year), and THIRTY_SIX_MONTH (3 years).
@@ -217,8 +287,9 @@
       "id": "A String", # [Output Only] The unique identifier for the resource. This identifier is defined by the server.
       "resources": [ # A list of commitment amounts for particular resources. Note that VCPU and MEMORY resource commitments must occur together.
         { # Commitment for a particular resource (a Commitment is composed of one or more of these).
-          "amount": "A String", # The amount of the resource purchased (in a type-dependent unit, such as bytes). For vCPUs, this can just be an integer. For memory, this must be provided in MB. Memory must be a multiple of 256 MB, with up to 6.5GB of memory per every vCPU.
+          "acceleratorType": "A String", # Name of the accelerator type resource. Applicable only when the type is ACCELERATOR.
           "type": "A String", # Type of resource for which this commitment applies. Possible values are VCPU and MEMORY
+          "amount": "A String", # The amount of the resource purchased (in a type-dependent unit, such as bytes). For vCPUs, this can just be an integer. For memory, this must be provided in MB. Memory must be a multiple of 256 MB, with up to 6.5GB of memory per every vCPU.
         },
       ],
       "name": "A String", # Name of the resource. Provided by the client when the resource is created. The name must be 1-63 characters long, and comply with RFC1035. Specifically, the name must be 1-63 characters long and match the regular expression `[a-z]([-a-z0-9]*[a-z0-9])?` which means the first character must be a lowercase letter, and all following characters must be a dash, lowercase letter, or digit, except the last character, which cannot be a dash.
@@ -226,24 +297,58 @@
 </div>
 
 <div class="method">
-    <code class="details" id="insert">insert(project, region, body, requestId=None)</code>
+    <code class="details" id="insert">insert(project, region, body=None, requestId=None)</code>
   <pre>Creates a commitment in the specified project using the data included in the request.
 
 Args:
   project: string, Project ID for this request. (required)
   region: string, Name of the region for this request. (required)
-  body: object, The request body. (required)
+  body: object, The request body.
     The object takes the form of:
 
 { # Represents a regional Commitment resource.
       # 
-      # Creating a commitment resource means that you are purchasing a committed use contract with an explicit start and end time. You can create commitments based on vCPUs and memory usage and receive discounted rates. For full details, read Signing Up for Committed Use Discounts. (== resource_for beta.regionCommitments ==) (== resource_for v1.regionCommitments ==)
+      # Creating a commitment resource means that you are purchasing a committed use contract with an explicit start and end time. You can create commitments based on vCPUs and memory usage and receive discounted rates. For full details, read Signing Up for Committed Use Discounts. (== resource_for {$api_version}.regionCommitments ==)
     "status": "A String", # [Output Only] Status of the commitment with regards to eventual expiration (each commitment has an end date defined). One of the following values: NOT_YET_ACTIVE, ACTIVE, EXPIRED.
     "selfLink": "A String", # [Output Only] Server-defined URL for the resource.
     "kind": "compute#commitment", # [Output Only] Type of the resource. Always compute#commitment for commitments.
     "statusMessage": "A String", # [Output Only] An optional, human-readable explanation of the status.
     "description": "A String", # An optional description of this resource. Provide this property when you create the resource.
     "startTimestamp": "A String", # [Output Only] Commitment start time in RFC3339 text format.
+    "reservations": [ # List of reservations in this commitment.
+      { # Represents a reservation resource. A reservation ensures that capacity is held in a specific zone even if the reserved VMs are not running. For more information, read  Reserving zonal resources. (== resource_for {$api_version}.reservations ==)
+        "status": "A String", # [Output Only] The status of the reservation.
+        "kind": "compute#reservation", # [Output Only] Type of the resource. Always compute#reservations for reservations.
+        "name": "A String", # The name of the resource, provided by the client when initially creating the resource. The resource name must be 1-63 characters long, and comply with RFC1035. Specifically, the name must be 1-63 characters long and match the regular expression `[a-z]([-a-z0-9]*[a-z0-9])?` which means the first character must be a lowercase letter, and all following characters must be a dash, lowercase letter, or digit, except the last character, which cannot be a dash.
+        "specificReservationRequired": True or False, # Indicates whether the reservation can be consumed by VMs with affinity for "any" reservation. If the field is set, then only VMs that target the reservation by name can consume from this reservation.
+        "commitment": "A String", # [Output Only] Full or partial URL to a parent commitment. This field displays for reservations that are tied to a commitment.
+        "specificReservation": { # This reservation type allows to pre allocate specific instance configuration. # Reservation for instances with specific machine shapes.
+          "count": "A String", # Specifies the number of resources that are allocated.
+          "instanceProperties": { # Properties of the SKU instances being reserved. # The instance properties for the reservation.
+            "minCpuPlatform": "A String", # Minimum cpu platform the reservation.
+            "machineType": "A String", # Specifies type of machine (name only) which has fixed number of vCPUs and fixed amount of memory. This also includes specifying custom machine type following custom-NUMBER_OF_CPUS-AMOUNT_OF_MEMORY pattern.
+            "guestAccelerators": [ # Specifies accelerator type and count.
+              { # A specification of the type and number of accelerator cards attached to the instance.
+                "acceleratorCount": 42, # The number of the guest accelerator cards exposed to this instance.
+                "acceleratorType": "A String", # Full or partial URL of the accelerator type resource to attach to this instance. For example: projects/my-project/zones/us-central1-c/acceleratorTypes/nvidia-tesla-p100 If you are creating an instance template, specify only the accelerator name. See GPUs on Compute Engine for a full list of accelerator types.
+              },
+            ],
+            "localSsds": [ # Specifies amount of local ssd to reserve with each instance. The type of disk is local-ssd.
+              {
+                "interface": "A String", # Specifies the disk interface to use for attaching this disk, which is either SCSI or NVME. The default is SCSI. For performance characteristics of SCSI over NVMe, see Local SSD performance.
+                "diskSizeGb": "A String", # Specifies the size of the disk in base-2 GB.
+              },
+            ],
+          },
+          "inUseCount": "A String", # [Output Only] Indicates how many instances are in use.
+        },
+        "zone": "A String", # Zone in which the reservation resides. A zone must be provided if the reservation is created within a commitment.
+        "creationTimestamp": "A String", # [Output Only] Creation timestamp in RFC3339 text format.
+        "id": "A String", # [Output Only] The unique identifier for the resource. This identifier is defined by the server.
+        "selfLink": "A String", # [Output Only] Server-defined fully-qualified URL for this resource.
+        "description": "A String", # An optional description of this resource. Provide this property when you create the resource.
+      },
+    ],
     "region": "A String", # [Output Only] URL of the region where this commitment may be used.
     "endTimestamp": "A String", # [Output Only] Commitment end time in RFC3339 text format.
     "plan": "A String", # The plan for this commitment, which determines duration and discount rate. The currently supported plans are TWELVE_MONTH (1 year), and THIRTY_SIX_MONTH (3 years).
@@ -251,8 +356,9 @@
     "id": "A String", # [Output Only] The unique identifier for the resource. This identifier is defined by the server.
     "resources": [ # A list of commitment amounts for particular resources. Note that VCPU and MEMORY resource commitments must occur together.
       { # Commitment for a particular resource (a Commitment is composed of one or more of these).
-        "amount": "A String", # The amount of the resource purchased (in a type-dependent unit, such as bytes). For vCPUs, this can just be an integer. For memory, this must be provided in MB. Memory must be a multiple of 256 MB, with up to 6.5GB of memory per every vCPU.
+        "acceleratorType": "A String", # Name of the accelerator type resource. Applicable only when the type is ACCELERATOR.
         "type": "A String", # Type of resource for which this commitment applies. Possible values are VCPU and MEMORY
+        "amount": "A String", # The amount of the resource purchased (in a type-dependent unit, such as bytes). For vCPUs, this can just be an integer. For memory, this must be provided in MB. Memory must be a multiple of 256 MB, with up to 6.5GB of memory per every vCPU.
       },
     ],
     "name": "A String", # Name of the resource. Provided by the client when the resource is created. The name must be 1-63 characters long, and comply with RFC1035. Specifically, the name must be 1-63 characters long and match the regular expression `[a-z]([-a-z0-9]*[a-z0-9])?` which means the first character must be a lowercase letter, and all following characters must be a dash, lowercase letter, or digit, except the last character, which cannot be a dash.
@@ -269,26 +375,30 @@
 
     { # Represents an Operation resource.
       #
+      # Google Compute Engine has three Operation resources:
+      #
+      # * [Global](/compute/docs/reference/rest/{$api_version}/globalOperations) * [Regional](/compute/docs/reference/rest/{$api_version}/regionOperations) * [Zonal](/compute/docs/reference/rest/{$api_version}/zoneOperations)
+      #
       # You can use an operation resource to manage asynchronous API requests. For more information, read Handling API responses.
       #
       # Operations can be global, regional or zonal.
-      # - For global operations, use the globalOperations resource.
-      # - For regional operations, use the regionOperations resource.
-      # - For zonal operations, use the zonalOperations resource.
+      # - For global operations, use the `globalOperations` resource.
+      # - For regional operations, use the `regionOperations` resource.
+      # - For zonal operations, use the `zonalOperations` resource.
       #
-      # For more information, read  Global, Regional, and Zonal Resources. (== resource_for v1.globalOperations ==) (== resource_for beta.globalOperations ==) (== resource_for v1.regionOperations ==) (== resource_for beta.regionOperations ==) (== resource_for v1.zoneOperations ==) (== resource_for beta.zoneOperations ==)
+      # For more information, read  Global, Regional, and Zonal Resources. (== resource_for {$api_version}.globalOperations ==) (== resource_for {$api_version}.regionOperations ==) (== resource_for {$api_version}.zoneOperations ==)
     "targetId": "A String", # [Output Only] The unique target ID, which identifies a specific incarnation of the target resource.
     "clientOperationId": "A String", # [Output Only] The value of `requestId` if you provided it in the request. Not present otherwise.
     "creationTimestamp": "A String", # [Deprecated] This field is deprecated.
-    "id": "A String", # [Output Only] The unique identifier for the resource. This identifier is defined by the server.
+    "id": "A String", # [Output Only] The unique identifier for the operation. This identifier is defined by the server.
     "zone": "A String", # [Output Only] The URL of the zone where the operation resides. Only applicable when performing per-zone operations.
     "insertTime": "A String", # [Output Only] The time that this operation was requested. This value is in RFC3339 text format.
-    "operationType": "A String", # [Output Only] The type of operation, such as insert, update, or delete, and so on.
-    "httpErrorMessage": "A String", # [Output Only] If the operation fails, this field contains the HTTP error message that was returned, such as NOT FOUND.
+    "operationType": "A String", # [Output Only] The type of operation, such as `insert`, `update`, or `delete`, and so on.
+    "httpErrorMessage": "A String", # [Output Only] If the operation fails, this field contains the HTTP error message that was returned, such as `NOT FOUND`.
     "progress": 42, # [Output Only] An optional progress indicator that ranges from 0 to 100. There is no requirement that this be linear or support any granularity of operations. This should not be used to guess when the operation will be complete. This number should monotonically increase as the operation progresses.
-    "httpErrorStatusCode": 42, # [Output Only] If the operation fails, this field contains the HTTP error status code that was returned. For example, a 404 means the resource was not found.
+    "httpErrorStatusCode": 42, # [Output Only] If the operation fails, this field contains the HTTP error status code that was returned. For example, a `404` means the resource was not found.
     "statusMessage": "A String", # [Output Only] An optional textual description of the current status of the operation.
-    "status": "A String", # [Output Only] The status of the operation, which can be one of the following: PENDING, RUNNING, or DONE.
+    "status": "A String", # [Output Only] The status of the operation, which can be one of the following: `PENDING`, `RUNNING`, or `DONE`.
     "description": "A String", # [Output Only] A textual description of the operation, which is set when the operation is created.
     "warnings": [ # [Output Only] If warning messages are generated during processing of the operation, this field will be populated.
       {
@@ -303,10 +413,10 @@
         ],
       },
     ],
-    "user": "A String", # [Output Only] User who requested the operation, for example: user@example.com.
+    "user": "A String", # [Output Only] User who requested the operation, for example: `user@example.com`.
     "startTime": "A String", # [Output Only] The time that this operation was started by the server. This value is in RFC3339 text format.
-    "kind": "compute#operation", # [Output Only] Type of the resource. Always compute#operation for Operation resources.
-    "name": "A String", # [Output Only] Name of the resource.
+    "kind": "compute#operation", # [Output Only] Type of the resource. Always `compute#operation` for Operation resources.
+    "name": "A String", # [Output Only] Name of the operation.
     "region": "A String", # [Output Only] The URL of the region where the operation resides. Only applicable when performing regional operations.
     "error": { # [Output Only] If errors are generated during processing of the operation, this field will be populated.
       "errors": [ # [Output Only] The array of errors encountered while processing this operation.
@@ -332,18 +442,18 @@
   region: string, Name of the region for this request. (required)
   orderBy: string, Sorts list results by a certain order. By default, results are returned in alphanumerical order based on the resource name.
 
-You can also sort results in descending order based on the creation timestamp using orderBy="creationTimestamp desc". This sorts results based on the creationTimestamp field in reverse chronological order (newest result first). Use this to sort resources like operations so that the newest operation is returned first.
+You can also sort results in descending order based on the creation timestamp using `orderBy="creationTimestamp desc"`. This sorts results based on the `creationTimestamp` field in reverse chronological order (newest result first). Use this to sort resources like operations so that the newest operation is returned first.
 
-Currently, only sorting by name or creationTimestamp desc is supported.
-  maxResults: integer, The maximum number of results per page that should be returned. If the number of available results is larger than maxResults, Compute Engine returns a nextPageToken that can be used to get the next page of results in subsequent list requests. Acceptable values are 0 to 500, inclusive. (Default: 500)
-  pageToken: string, Specifies a page token to use. Set pageToken to the nextPageToken returned by a previous list request to get the next page of results.
-  filter: string, A filter expression that filters resources listed in the response. The expression must specify the field name, a comparison operator, and the value that you want to use for filtering. The value must be a string, a number, or a boolean. The comparison operator must be either =, !=, >, or <.
+Currently, only sorting by `name` or `creationTimestamp desc` is supported.
+  maxResults: integer, The maximum number of results per page that should be returned. If the number of available results is larger than `maxResults`, Compute Engine returns a `nextPageToken` that can be used to get the next page of results in subsequent list requests. Acceptable values are `0` to `500`, inclusive. (Default: `500`)
+  pageToken: string, Specifies a page token to use. Set `pageToken` to the `nextPageToken` returned by a previous list request to get the next page of results.
+  filter: string, A filter expression that filters resources listed in the response. The expression must specify the field name, a comparison operator, and the value that you want to use for filtering. The value must be a string, a number, or a boolean. The comparison operator must be either `=`, `!=`, `&gt;`, or `&lt;`.
 
-For example, if you are filtering Compute Engine instances, you can exclude instances named example-instance by specifying name != example-instance.
+For example, if you are filtering Compute Engine instances, you can exclude instances named `example-instance` by specifying `name != example-instance`.
 
-You can also filter nested fields. For example, you could specify scheduling.automaticRestart = false to include instances only if they are not scheduled for automatic restarts. You can use filtering on nested fields to filter based on resource labels.
+You can also filter nested fields. For example, you could specify `scheduling.automaticRestart = false` to include instances only if they are not scheduled for automatic restarts. You can use filtering on nested fields to filter based on resource labels.
 
-To filter on multiple expressions, provide each separate expression within parentheses. For example, (scheduling.automaticRestart = true) (cpuPlatform = "Intel Skylake"). By default, each expression is an AND expression. However, you can include AND and OR expressions explicitly. For example, (cpuPlatform = "Intel Skylake") OR (cpuPlatform = "Intel Broadwell") AND (scheduling.automaticRestart = true).
+To filter on multiple expressions, provide each separate expression within parentheses. For example: ``` (scheduling.automaticRestart = true) (cpuPlatform = "Intel Skylake") ``` By default, each expression is an `AND` expression. However, you can include `AND` and `OR` expressions explicitly. For example: ``` (cpuPlatform = "Intel Skylake") OR (cpuPlatform = "Intel Broadwell") AND (scheduling.automaticRestart = true) ```
 
 Returns:
   An object of the form:
@@ -354,13 +464,47 @@
     "items": [ # A list of Commitment resources.
       { # Represents a regional Commitment resource.
             #
-            # Creating a commitment resource means that you are purchasing a committed use contract with an explicit start and end time. You can create commitments based on vCPUs and memory usage and receive discounted rates. For full details, read Signing Up for Committed Use Discounts. (== resource_for beta.regionCommitments ==) (== resource_for v1.regionCommitments ==)
+            # Creating a commitment resource means that you are purchasing a committed use contract with an explicit start and end time. You can create commitments based on vCPUs and memory usage and receive discounted rates. For full details, read Signing Up for Committed Use Discounts. (== resource_for {$api_version}.regionCommitments ==)
           "status": "A String", # [Output Only] Status of the commitment with regards to eventual expiration (each commitment has an end date defined). One of the following values: NOT_YET_ACTIVE, ACTIVE, EXPIRED.
           "selfLink": "A String", # [Output Only] Server-defined URL for the resource.
           "kind": "compute#commitment", # [Output Only] Type of the resource. Always compute#commitment for commitments.
           "statusMessage": "A String", # [Output Only] An optional, human-readable explanation of the status.
           "description": "A String", # An optional description of this resource. Provide this property when you create the resource.
           "startTimestamp": "A String", # [Output Only] Commitment start time in RFC3339 text format.
+          "reservations": [ # List of reservations in this commitment.
+            { # Represents a reservation resource. A reservation ensures that capacity is held in a specific zone even if the reserved VMs are not running. For more information, read  Reserving zonal resources. (== resource_for {$api_version}.reservations ==)
+              "status": "A String", # [Output Only] The status of the reservation.
+              "kind": "compute#reservation", # [Output Only] Type of the resource. Always compute#reservations for reservations.
+              "name": "A String", # The name of the resource, provided by the client when initially creating the resource. The resource name must be 1-63 characters long, and comply with RFC1035. Specifically, the name must be 1-63 characters long and match the regular expression `[a-z]([-a-z0-9]*[a-z0-9])?` which means the first character must be a lowercase letter, and all following characters must be a dash, lowercase letter, or digit, except the last character, which cannot be a dash.
+              "specificReservationRequired": True or False, # Indicates whether the reservation can be consumed by VMs with affinity for "any" reservation. If the field is set, then only VMs that target the reservation by name can consume from this reservation.
+              "commitment": "A String", # [Output Only] Full or partial URL to a parent commitment. This field displays for reservations that are tied to a commitment.
+              "specificReservation": { # This reservation type allows to pre allocate specific instance configuration. # Reservation for instances with specific machine shapes.
+                "count": "A String", # Specifies the number of resources that are allocated.
+                "instanceProperties": { # Properties of the SKU instances being reserved. # The instance properties for the reservation.
+                  "minCpuPlatform": "A String", # Minimum cpu platform the reservation.
+                  "machineType": "A String", # Specifies type of machine (name only) which has fixed number of vCPUs and fixed amount of memory. This also includes specifying custom machine type following custom-NUMBER_OF_CPUS-AMOUNT_OF_MEMORY pattern.
+                  "guestAccelerators": [ # Specifies accelerator type and count.
+                    { # A specification of the type and number of accelerator cards attached to the instance.
+                      "acceleratorCount": 42, # The number of the guest accelerator cards exposed to this instance.
+                      "acceleratorType": "A String", # Full or partial URL of the accelerator type resource to attach to this instance. For example: projects/my-project/zones/us-central1-c/acceleratorTypes/nvidia-tesla-p100 If you are creating an instance template, specify only the accelerator name. See GPUs on Compute Engine for a full list of accelerator types.
+                    },
+                  ],
+                  "localSsds": [ # Specifies amount of local ssd to reserve with each instance. The type of disk is local-ssd.
+                    {
+                      "interface": "A String", # Specifies the disk interface to use for attaching this disk, which is either SCSI or NVME. The default is SCSI. For performance characteristics of SCSI over NVMe, see Local SSD performance.
+                      "diskSizeGb": "A String", # Specifies the size of the disk in base-2 GB.
+                    },
+                  ],
+                },
+                "inUseCount": "A String", # [Output Only] Indicates how many instances are in use.
+              },
+              "zone": "A String", # Zone in which the reservation resides. A zone must be provided if the reservation is created within a commitment.
+              "creationTimestamp": "A String", # [Output Only] Creation timestamp in RFC3339 text format.
+              "id": "A String", # [Output Only] The unique identifier for the resource. This identifier is defined by the server.
+              "selfLink": "A String", # [Output Only] Server-defined fully-qualified URL for this resource.
+              "description": "A String", # An optional description of this resource. Provide this property when you create the resource.
+            },
+          ],
           "region": "A String", # [Output Only] URL of the region where this commitment may be used.
           "endTimestamp": "A String", # [Output Only] Commitment end time in RFC3339 text format.
           "plan": "A String", # The plan for this commitment, which determines duration and discount rate. The currently supported plans are TWELVE_MONTH (1 year), and THIRTY_SIX_MONTH (3 years).
@@ -368,8 +512,9 @@
           "id": "A String", # [Output Only] The unique identifier for the resource. This identifier is defined by the server.
           "resources": [ # A list of commitment amounts for particular resources. Note that VCPU and MEMORY resource commitments must occur together.
             { # Commitment for a particular resource (a Commitment is composed of one or more of these).
-              "amount": "A String", # The amount of the resource purchased (in a type-dependent unit, such as bytes). For vCPUs, this can just be an integer. For memory, this must be provided in MB. Memory must be a multiple of 256 MB, with up to 6.5GB of memory per every vCPU.
+              "acceleratorType": "A String", # Name of the accelerator type resource. Applicable only when the type is ACCELERATOR.
               "type": "A String", # Type of resource for which this commitment applies. Possible values are VCPU and MEMORY
+              "amount": "A String", # The amount of the resource purchased (in a type-dependent unit, such as bytes). For vCPUs, this can just be an integer. For memory, this must be provided in MB. Memory must be a multiple of 256 MB, with up to 6.5GB of memory per every vCPU.
             },
           ],
           "name": "A String", # Name of the resource. Provided by the client when the resource is created. The name must be 1-63 characters long, and comply with RFC1035. Specifically, the name must be 1-63 characters long and match the regular expression `[a-z]([-a-z0-9]*[a-z0-9])?` which means the first character must be a lowercase letter, and all following characters must be a dash, lowercase letter, or digit, except the last character, which cannot be a dash.