chore: regens API reference docs (#889)

diff --git a/docs/dyn/containeranalysis_v1beta1.projects.notes.occurrences.html b/docs/dyn/containeranalysis_v1beta1.projects.notes.occurrences.html
index fc8b0c2..9285ee9 100644
--- a/docs/dyn/containeranalysis_v1beta1.projects.notes.occurrences.html
+++ b/docs/dyn/containeranalysis_v1beta1.projects.notes.occurrences.html
@@ -88,7 +88,7 @@
 specified note.
 
 Args:
-  name: string, The name of the note to list occurrences for in the form of
+  name: string, Required. The name of the note to list occurrences for in the form of
 `projects/[PROVIDER_ID]/notes/[NOTE_ID]`. (required)
   pageToken: string, Token to provide to skip to a particular spot in the list.
   x__xgafv: string, V1 error format.
@@ -105,8 +105,7 @@
     "nextPageToken": "A String", # Token to provide to skip to a particular spot in the list.
     "occurrences": [ # The occurrences attached to the specified note.
       { # An instance of an analysis type that has been found on a resource.
-        "kind": "A String", # Output only. This explicitly denotes which of the occurrence details are
-            # specified. This field can be used as a filter in list requests.
+        "updateTime": "A String", # Output only. The time this occurrence was last updated.
         "resource": { # An entity that can have metadata. For example, a Docker image. # Required. Immutable. The resource for which the occurrence applies.
           "contentHash": { # Container message for hash values. # Deprecated, do not use. Use uri instead.
               #
@@ -114,12 +113,12 @@
             "type": "A String", # Required. The type of hash that was performed.
             "value": "A String", # Required. The hash value.
           },
-          "uri": "A String", # Required. The unique URI of the resource. For example,
-              # `https://gcr.io/project/image@sha256:foo` for a Docker image.
           "name": "A String", # Deprecated, do not use. Use uri instead.
               #
               # The name of the resource. For example, the name of a Docker image -
               # "Debian".
+          "uri": "A String", # Required. The unique URI of the resource. For example,
+              # `https://gcr.io/project/image@sha256:foo` for a Docker image.
         },
         "name": "A String", # Output only. The name of the occurrence in the form of
             # `projects/[PROJECT_ID]/occurrences/[OCCURRENCE_ID]`.
@@ -176,7 +175,8 @@
           "longDescription": "A String", # Output only. A detailed description of this vulnerability.
           "shortDescription": "A String", # Output only. A one sentence description of this vulnerability.
         },
-        "updateTime": "A String", # Output only. The time this occurrence was last updated.
+        "kind": "A String", # Output only. This explicitly denotes which of the occurrence details are
+            # specified. This field can be used as a filter in list requests.
         "discovered": { # Details of a discovery occurrence. # Describes when a resource was discovered.
           "discovered": { # Provides information about the analysis status of a discovered resource. # Required. Analysis status for the discovered resource.
             "lastAnalysisTime": "A String", # The last time continuous analysis was done for this resource.
@@ -229,7 +229,7 @@
                   # gpg --with-colons --with-fingerprint --force-v4-certs \
                   #     --list-keys attester@example.com
                   # tru::1:1513631572:0:3:1:5
-                  # pub:...<SNIP>...
+                  # pub:...&lt;SNIP&gt;...
                   # fpr:::::::::24FF6481B76AC91E66A00AC657A93A81EF3AE6FB:
                   # ```
                   # Above, the fingerprint is `24FF6481B76AC91E66A00AC657A93A81EF3AE6FB`.
@@ -312,6 +312,77 @@
             },
           },
         },
+        "intoto": { # This corresponds to a signed in-toto link - it is made up of one or more # Describes a specific in-toto link.
+            # signatures and the in-toto link itself. This is used for occurrences of a
+            # Grafeas in-toto note.
+          "signatures": [
+            { # A signature object consists of the KeyID used and the signature itself.
+              "keyid": "A String",
+              "sig": "A String",
+            },
+          ],
+          "signed": { # This corresponds to an in-toto link.
+            "environment": { # Defines an object for the environment field in in-toto links. The suggested # This is a field that can be used to capture information about the
+                # environment. It is suggested for this field to contain information that
+                # details environment variables, filesystem information, and the present
+                # working directory. The recommended structure of this field is:
+                # "environment": {
+                #   "custom_values": {
+                #     "variables": "&lt;ENV&gt;",
+                #     "filesystem": "&lt;FS&gt;",
+                #     "workdir": "&lt;CWD&gt;",
+                #     "&lt;ANY OTHER RELEVANT FIELDS&gt;": "..."
+                #   }
+                # }
+                # fields are "variables", "filesystem", and "workdir".
+              "customValues": {
+                "a_key": "A String",
+              },
+            },
+            "command": [ # This field contains the full command executed for the step. This can also
+                # be empty if links are generated for operations that aren't directly mapped
+                # to a specific command. Each term in the command is an independent string
+                # in the list. An example of a command in the in-toto metadata field is:
+                # "command": ["git", "clone", "https://github.com/in-toto/demo-project.git"]
+              "A String",
+            ],
+            "materials": [ # Materials are the supply chain artifacts that go into the step and are used
+                # for the operation performed. The key of the map is the path of the artifact
+                # and the structure contains the recorded hash information. An example is:
+                # "materials": [
+                #   {
+                #     "resource_uri": "foo/bar",
+                #     "hashes": {
+                #       "sha256": "ebebf...",
+                #       &lt;OTHER HASH ALGORITHMS&gt;: &lt;HASH VALUE&gt;
+                #     }
+                #   }
+                # ]
+              {
+                "resourceUri": "A String",
+                "hashes": { # Defines a hash object for use in Materials and Products.
+                  "sha256": "A String",
+                },
+              },
+            ],
+            "products": [ # Products are the supply chain artifacts generated as a result of the step.
+                # The structure is identical to that of materials.
+              {
+                "resourceUri": "A String",
+                "hashes": { # Defines a hash object for use in Materials and Products.
+                  "sha256": "A String",
+                },
+              },
+            ],
+            "byproducts": { # Defines an object for the byproducts field in in-toto links. The suggested # ByProducts are data generated as part of a software supply chain step, but
+                # are not the actual result of the step.
+                # fields are "stderr", "stdout", and "return-value".
+              "customValues": {
+                "a_key": "A String",
+              },
+            },
+          },
+        },
         "build": { # Details of a build occurrence. # Describes a verifiable build.
           "provenance": { # Provenance of a build. Contains all information needed to verify the full # Required. The actual provenance for the build.
               # details about the build from source to completion.
@@ -391,10 +462,10 @@
                       "name": "A String", # The alias name.
                     },
                     "revisionId": "A String", # A revision (commit) ID.
-                    "hostUri": "A String", # The URI of a running Gerrit instance.
                     "gerritProject": "A String", # The full project name within the host. Projects may be nested, so
                         # "project/subproject" is a valid project name. The "repo name" is the
                         # hostURI/project.
+                    "hostUri": "A String", # The URI of a running Gerrit instance.
                   },
                 },
               ],
@@ -430,10 +501,10 @@
                     "name": "A String", # The alias name.
                   },
                   "revisionId": "A String", # A revision (commit) ID.
-                  "hostUri": "A String", # The URI of a running Gerrit instance.
                   "gerritProject": "A String", # The full project name within the host. Projects may be nested, so
                       # "project/subproject" is a valid project name. The "repo name" is the
                       # hostURI/project.
+                  "hostUri": "A String", # The URI of a running Gerrit instance.
                 },
               },
             },
@@ -498,6 +569,7 @@
         "installation": { # Details of a package occurrence. # Describes the installation of a package on the linked resource.
           "installation": { # This represents how a particular software package may be installed on a # Required. Where the package was installed.
               # system.
+            "name": "A String", # Output only. The name of the installed package.
             "location": [ # Required. All of the places within the filesystem versions of this package
                 # have been found.
               { # An occurrence of a particular package installation found within a system's
@@ -515,7 +587,6 @@
                 },
               },
             ],
-            "name": "A String", # Output only. The name of the installed package.
           },
         },
         "createTime": "A String", # Output only. The time this occurrence was created.
@@ -523,7 +594,7 @@
             # note.
           "derivedImage": { # Derived describes the derived image portion (Occurrence) of the DockerImage # Required. Immutable. The child image derived from the base image.
               # relationship. This image would be produced from a Dockerfile with FROM
-              # <DockerImage.Basis in attached Note>.
+              # &lt;DockerImage.Basis in attached Note&gt;.
             "distance": 42, # Output only. The number of layers by which this image differs from the
                 # associated image basis.
             "baseResourceUrl": "A String", # Output only. This contains the base image URL for the derived image
@@ -539,12 +610,12 @@
             "fingerprint": { # A set of properties that uniquely identify a given Docker image. # Required. The fingerprint of the derived image.
               "v1Name": "A String", # Required. The layer ID of the final layer in the Docker image's v1
                   # representation.
-              "v2Name": "A String", # Output only. The name of the image's v2 blobs computed via:
-                  #   [bottom] := v2_blobbottom := sha256(v2_blob[N] + " " + v2_name[N+1])
-                  # Only the name of the final blob is kept.
               "v2Blob": [ # Required. The ordered list of v2 blobs that represent a given image.
                 "A String",
               ],
+              "v2Name": "A String", # Output only. The name of the image's v2 blobs computed via:
+                  #   [bottom] := v2_blobbottom := sha256(v2_blob[N] + " " + v2_name[N+1])
+                  # Only the name of the final blob is kept.
             },
           },
         },