Regen all docs. (#700)

* Stop recursing if discovery == {}

* Generate docs with 'make docs'.
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+
+<h1><a href="containeranalysis_v1alpha1.html">Container Analysis API</a> . <a href="containeranalysis_v1alpha1.projects.html">projects</a> . <a href="containeranalysis_v1alpha1.projects.notes.html">notes</a> . <a href="containeranalysis_v1alpha1.projects.notes.occurrences.html">occurrences</a></h1>
+<h2>Instance Methods</h2>
+<p class="toc_element">
+  <code><a href="#list">list(name, pageToken=None, x__xgafv=None, pageSize=None, filter=None)</a></code></p>
+<p class="firstline">Lists `Occurrences` referencing the specified `Note`. Use this method to</p>
+<p class="toc_element">
+  <code><a href="#list_next">list_next(previous_request, previous_response)</a></code></p>
+<p class="firstline">Retrieves the next page of results.</p>
+<h3>Method Details</h3>
+<div class="method">
+    <code class="details" id="list">list(name, pageToken=None, x__xgafv=None, pageSize=None, filter=None)</code>
+  <pre>Lists `Occurrences` referencing the specified `Note`. Use this method to
+get all occurrences referencing your `Note` across all your customer
+projects.
+
+Args:
+  name: string, The name field will contain the note name for example:
+  "provider/{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.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
+  pageSize: integer, Number of notes to return in the list.
+  filter: string, The filter expression.
+
+Returns:
+  An object of the form:
+
+    { # Response including listed occurrences for a note.
+    "nextPageToken": "A String", # Token to receive the next page of notes.
+    "occurrences": [ # The occurrences attached to the specified note.
+      { # `Occurrence` includes information about analysis occurrences for an image.
+        "resource": { #  #
+            # The resource for which the `Occurrence` applies.
+            # Resource is an entity that can have metadata. E.g., a Docker image.
+          "contentHash": { # Container message for hash values. # The hash of the resource content. E.g., the Docker digest.
+            "type": "A String", # The type of hash that was performed.
+            "value": "A String", # The hash value.
+          },
+          "uri": "A String", # The unique URI of the resource. E.g.,
+              # "https://gcr.io/project/image@sha256:foo" for a Docker image.
+          "name": "A String", # The name of the resource. E.g., the name of a Docker image - "Debian".
+        },
+        "updateTime": "A String", # Output only. The time this `Occurrence` was last updated.
+        "installation": { # This represents how a particular software package may be installed on # Describes the installation of a package on the linked resource.
+            # a system.
+          "location": [ # 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 filesystem.
+                # e.g. glibc was found in /var/lib/dpkg/status
+              "path": "A String", # The path from which we gathered that this package/version is installed.
+              "cpeUri": "A String", # The cpe_uri in [cpe format](https://cpe.mitre.org/specification/)
+                  # denoting the package manager version distributing a package.
+              "version": { # Version contains structured information about the version of the package. # The version installed at this location.
+                  # For a discussion of this in Debian/Ubuntu:
+                  # http://serverfault.com/questions/604541/debian-packages-version-convention
+                  # For a discussion of this in Redhat/Fedora/Centos:
+                  # http://blog.jasonantman.com/2014/07/how-yum-and-rpm-compare-versions/
+                "kind": "A String", # Distinguish between sentinel MIN/MAX versions and normal versions.
+                    # If kind is not NORMAL, then the other fields are ignored.
+                "revision": "A String", # The iteration of the package build from the above version.
+                "name": "A String", # The main part of the version name.
+                "epoch": 42, # Used to correct mistakes in the version numbering scheme.
+              },
+            },
+          ],
+          "name": "A String", # Output only. The name of the installed package.
+        },
+        "name": "A String", # Output only. The name of the `Occurrence` in the form
+            # "projects/{project_id}/occurrences/{OCCURRENCE_ID}"
+        "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.
+        "buildDetails": { # Message encapsulating build provenance details. # Build details for a verifiable build.
+          "provenance": { # Provenance of a build. Contains all information needed to verify the full # The actual provenance
+              # details about the build from source to completion.
+            "finishTime": "A String", # Time at which execution of the build was finished.
+            "commands": [ # Commands requested by the build.
+              { # Command describes a step performed as part of the build pipeline.
+                "waitFor": [ # The ID(s) of the Command(s) that this Command depends on.
+                  "A String",
+                ],
+                "name": "A String", # Name of the command, as presented on the command line, or if the command is
+                    # packaged as a Docker container, as presented to `docker pull`.
+                "args": [ # Command-line arguments used when executing this Command.
+                  "A String",
+                ],
+                "env": [ # Environment variables set before running this Command.
+                  "A String",
+                ],
+                "id": "A String", # Optional unique identifier for this Command, used in wait_for to reference
+                    # this Command as a dependency.
+                "dir": "A String", # Working directory (relative to project source root) used when running
+                    # this Command.
+              },
+            ],
+            "sourceProvenance": { # Source describes the location of the source used for the build. # Details of the Source input to the build.
+              "artifactStorageSource": { # StorageSource describes the location of the source in an archive file in # If provided, the input binary artifacts for the build came from this
+                  # location.
+                  # Google Cloud Storage.
+                "generation": "A String", # Google Cloud Storage generation for the object.
+                "object": "A String", # Google Cloud Storage object containing source.
+                "bucket": "A String", # Google Cloud Storage bucket containing source (see [Bucket Name
+                    # Requirements]
+                    # (https://cloud.google.com/storage/docs/bucket-naming#requirements)).
+              },
+              "repoSource": { # RepoSource describes the location of the source in a Google Cloud Source # If provided, get source from this location in a Cloud Repo.
+                  # Repository.
+                "projectId": "A String", # ID of the project that owns the repo.
+                "branchName": "A String", # Name of the branch to build.
+                "repoName": "A String", # Name of the repo.
+                "tagName": "A String", # Name of the tag to build.
+                "commitSha": "A String", # Explicit commit SHA to build.
+              },
+              "fileHashes": { # Hash(es) of the build source, which can be used to verify that the original
+                  # source integrity was maintained in the build.
+                  #
+                  # The keys to this map are file paths used as build source and the values
+                  # contain the hash values for those files.
+                  #
+                  # If the build source came in a single package such as a gzipped tarfile
+                  # (.tar.gz), the FileHash will be for the single path to that file.
+                "a_key": { # Container message for hashes of byte content of files, used in Source
+                    # messages to verify integrity of source input to the build.
+                  "fileHash": [ # Collection of file hashes.
+                    { # Container message for hash values.
+                      "type": "A String", # The type of hash that was performed.
+                      "value": "A String", # The hash value.
+                    },
+                  ],
+                },
+              },
+              "additionalContexts": [ # If provided, some of the source code used for the build may be found in
+                  # these locations, in the case where the source repository had multiple
+                  # remotes or submodules. This list will not include the context specified in
+                  # the context field.
+                { # A SourceContext is a reference to a tree of files. A SourceContext together
+                    # with a path point to a unique revision of a single file or directory.
+                  "git": { # A GitSourceContext denotes a particular revision in a third party Git # A SourceContext referring to any third party Git repo (e.g., GitHub).
+                      # repository (e.g., GitHub).
+                    "url": "A String", # Git repository URL.
+                    "revisionId": "A String", # Required.
+                        # Git commit hash.
+                  },
+                  "cloudRepo": { # A CloudRepoSourceContext denotes a particular revision in a Google Cloud # A SourceContext referring to a revision in a Google Cloud Source Repo.
+                      # Source Repo.
+                    "aliasContext": { # An alias to a repo revision. # An alias, which may be a branch or tag.
+                      "kind": "A String", # The alias kind.
+                      "name": "A String", # The alias name.
+                    },
+                    "revisionId": "A String", # A revision ID.
+                    "repoId": { # A unique identifier for a Cloud Repo. # The ID of the repo.
+                      "projectRepoId": { # Selects a repo using a Google Cloud Platform project ID (e.g., # A combination of a project ID and a repo name.
+                          # winged-cargo-31) and a repo name within that project.
+                        "projectId": "A String", # The ID of the project.
+                        "repoName": "A String", # The name of the repo. Leave empty for the default repo.
+                      },
+                      "uid": "A String", # A server-assigned, globally unique identifier.
+                    },
+                  },
+                  "labels": { # Labels with user defined metadata.
+                    "a_key": "A String",
+                  },
+                  "gerrit": { # A SourceContext referring to a Gerrit project. # A SourceContext referring to a Gerrit project.
+                    "aliasContext": { # An alias to a repo revision. # An alias, which may be a branch or tag.
+                      "kind": "A String", # The alias kind.
+                      "name": "A String", # The alias name.
+                    },
+                    "revisionId": "A String", # A revision (commit) ID.
+                    "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.
+                  },
+                },
+              ],
+              "context": { # A SourceContext is a reference to a tree of files. A SourceContext together # If provided, the source code used for the build came from this location.
+                  # with a path point to a unique revision of a single file or directory.
+                "git": { # A GitSourceContext denotes a particular revision in a third party Git # A SourceContext referring to any third party Git repo (e.g., GitHub).
+                    # repository (e.g., GitHub).
+                  "url": "A String", # Git repository URL.
+                  "revisionId": "A String", # Required.
+                      # Git commit hash.
+                },
+                "cloudRepo": { # A CloudRepoSourceContext denotes a particular revision in a Google Cloud # A SourceContext referring to a revision in a Google Cloud Source Repo.
+                    # Source Repo.
+                  "aliasContext": { # An alias to a repo revision. # An alias, which may be a branch or tag.
+                    "kind": "A String", # The alias kind.
+                    "name": "A String", # The alias name.
+                  },
+                  "revisionId": "A String", # A revision ID.
+                  "repoId": { # A unique identifier for a Cloud Repo. # The ID of the repo.
+                    "projectRepoId": { # Selects a repo using a Google Cloud Platform project ID (e.g., # A combination of a project ID and a repo name.
+                        # winged-cargo-31) and a repo name within that project.
+                      "projectId": "A String", # The ID of the project.
+                      "repoName": "A String", # The name of the repo. Leave empty for the default repo.
+                    },
+                    "uid": "A String", # A server-assigned, globally unique identifier.
+                  },
+                },
+                "labels": { # Labels with user defined metadata.
+                  "a_key": "A String",
+                },
+                "gerrit": { # A SourceContext referring to a Gerrit project. # A SourceContext referring to a Gerrit project.
+                  "aliasContext": { # An alias to a repo revision. # An alias, which may be a branch or tag.
+                    "kind": "A String", # The alias kind.
+                    "name": "A String", # The alias name.
+                  },
+                  "revisionId": "A String", # A revision (commit) ID.
+                  "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.
+                },
+              },
+              "storageSource": { # StorageSource describes the location of the source in an archive file in # If provided, get the source from this location in in Google Cloud
+                  # Storage.
+                  # Google Cloud Storage.
+                "generation": "A String", # Google Cloud Storage generation for the object.
+                "object": "A String", # Google Cloud Storage object containing source.
+                "bucket": "A String", # Google Cloud Storage bucket containing source (see [Bucket Name
+                    # Requirements]
+                    # (https://cloud.google.com/storage/docs/bucket-naming#requirements)).
+              },
+            },
+            "buildOptions": { # Special options applied to this build. This is a catch-all field where
+                # build providers can enter any desired additional details.
+              "a_key": "A String",
+            },
+            "creator": "A String", # E-mail address of the user who initiated this build. Note that this was the
+                # user's e-mail address at the time the build was initiated; this address may
+                # not represent the same end-user for all time.
+            "logsBucket": "A String", # Google Cloud Storage bucket where logs were written.
+            "builderVersion": "A String", # Version string of the builder at the time this build was executed.
+            "createTime": "A String", # Time at which the build was created.
+            "builtArtifacts": [ # Output of the build.
+              { # Artifact describes a build product.
+                "checksum": "A String", # Hash or checksum value of a binary, or Docker Registry 2.0 digest of a
+                    # container.
+                "id": "A String", # Artifact ID, if any; for container images, this will be a URL by digest
+                    # like gcr.io/projectID/imagename@sha256:123456
+                "name": "A String", # Name of the artifact. This may be the path to a binary or jar file, or in
+                    # the case of a container build, the name used to push the container image to
+                    # Google Container Registry, as presented to `docker push`.
+                    #
+                    # This field is deprecated in favor of the plural `names` field; it continues
+                    # to exist here to allow existing BuildProvenance serialized to json in
+                    # google.devtools.containeranalysis.v1alpha1.BuildDetails.provenance_bytes to
+                    # deserialize back into proto.
+                "names": [ # Related artifact names. This may be the path to a binary or jar file, or in
+                    # the case of a container build, the name used to push the container image to
+                    # Google Container Registry, as presented to `docker push`. Note that a
+                    # single Artifact ID can have multiple names, for example if two tags are
+                    # applied to one image.
+                  "A String",
+                ],
+              },
+            ],
+            "triggerId": "A String", # Trigger identifier if the build was triggered automatically; empty if not.
+            "startTime": "A String", # Time at which execution of the build was started.
+            "projectId": "A String", # ID of the project.
+            "id": "A String", # Unique identifier of the build.
+          },
+          "provenanceBytes": "A String", # Serialized JSON representation of the provenance, used in generating the
+              # `BuildSignature` in the corresponding Result. After verifying the
+              # signature, `provenance_bytes` can be unmarshalled and compared to the
+              # provenance to confirm that it is unchanged. A base64-encoded string
+              # representation of the provenance bytes is used for the signature in order
+              # to interoperate with openssl which expects this format for signature
+              # verification.
+              #
+              # The serialized form is captured both to avoid ambiguity in how the
+              # provenance is marshalled to json as well to prevent incompatibilities with
+              # future changes.
+        },
+        "discovered": { # Provides information about the scan status of a discovered resource. # Describes the initial scan status for this resource.
+          "analysisStatus": "A String", # The status of discovery for the resource.
+          "operation": { # This resource represents a long-running operation that is the result of a # Output only. An operation that indicates the status of the current scan.
+              # This field is deprecated, do not use.
+              # network API call.
+            "error": { # The `Status` type defines a logical error model that is suitable for # The error result of the operation in case of failure or cancellation.
+                # different programming environments, including REST APIs and RPC APIs. It is
+                # used by [gRPC](https://github.com/grpc). Each `Status` message contains
+                # three pieces of data: error code, error message, and error details.
+                #
+                # You can find out more about this error model and how to work with it in the
+                # [API Design Guide](https://cloud.google.com/apis/design/errors).
+              "message": "A String", # A developer-facing error message, which should be in English. Any
+                  # user-facing error message should be localized and sent in the
+                  # google.rpc.Status.details field, or localized by the client.
+              "code": 42, # The status code, which should be an enum value of google.rpc.Code.
+              "details": [ # A list of messages that carry the error details.  There is a common set of
+                  # message types for APIs to use.
+                {
+                  "a_key": "", # Properties of the object. Contains field @type with type URL.
+                },
+              ],
+            },
+            "done": True or False, # If the value is `false`, it means the operation is still in progress.
+                # If `true`, the operation is completed, and either `error` or `response` is
+                # available.
+            "response": { # The normal response of the operation in case of success.  If the original
+                # method returns no data on success, such as `Delete`, the response is
+                # `google.protobuf.Empty`.  If the original method is standard
+                # `Get`/`Create`/`Update`, the response should be the resource.  For other
+                # methods, the response should have the type `XxxResponse`, where `Xxx`
+                # is the original method name.  For example, if the original method name
+                # is `TakeSnapshot()`, the inferred response type is
+                # `TakeSnapshotResponse`.
+              "a_key": "", # Properties of the object. Contains field @type with type URL.
+            },
+            "name": "A String", # The server-assigned name, which is only unique within the same service that
+                # originally returns it. If you use the default HTTP mapping, the
+                # `name` should be a resource name ending with `operations/{unique_id}`.
+            "metadata": { # Service-specific metadata associated with the operation.  It typically
+                # contains progress information and common metadata such as create time.
+                # Some services might not provide such metadata.  Any method that returns a
+                # long-running operation should document the metadata type, if any.
+              "a_key": "", # Properties of the object. Contains field @type with type URL.
+            },
+          },
+          "analysisStatusError": { # The `Status` type defines a logical error model that is suitable for # When an error is encountered this will contain a LocalizedMessage under
+              # details to show to the user. The LocalizedMessage output only and
+              # populated by the API.
+              # different programming environments, including REST APIs and RPC APIs. It is
+              # used by [gRPC](https://github.com/grpc). Each `Status` message contains
+              # three pieces of data: error code, error message, and error details.
+              #
+              # You can find out more about this error model and how to work with it in the
+              # [API Design Guide](https://cloud.google.com/apis/design/errors).
+            "message": "A String", # A developer-facing error message, which should be in English. Any
+                # user-facing error message should be localized and sent in the
+                # google.rpc.Status.details field, or localized by the client.
+            "code": 42, # The status code, which should be an enum value of google.rpc.Code.
+            "details": [ # A list of messages that carry the error details.  There is a common set of
+                # message types for APIs to use.
+              {
+                "a_key": "", # Properties of the object. Contains field @type with type URL.
+              },
+            ],
+          },
+          "continuousAnalysis": "A String", # Whether the resource is continuously analyzed.
+        },
+        "attestation": { # Occurrence that represents a single "attestation".  The authenticity of an # Describes an attestation of an artifact.
+            # Attestation can be verified using the attached signature. If the verifier
+            # trusts the public key of the signer, then verifying the signature is
+            # sufficient to establish trust.  In this circumstance, the
+            # AttestationAuthority to which this Attestation is attached is primarily
+            # useful for look-up (how to find this Attestation if you already know the
+            # Authority and artifact to be verified) and intent (which authority was this
+            # attestation intended to sign for).
+          "pgpSignedAttestation": { # An attestation wrapper with a PGP-compatible signature.
+              # This message only supports `ATTACHED` signatures, where the payload that is
+              # signed is included alongside the signature itself in the same file.
+            "pgpKeyId": "A String", # The cryptographic fingerprint of the key used to generate the signature,
+                # as output by, e.g. `gpg --list-keys`. This should be the version 4, full
+                # 160-bit fingerprint, expressed as a 40 character hexadecimal string. See
+                # https://tools.ietf.org/html/rfc4880#section-12.2 for details.
+                # Implementations may choose to acknowledge "LONG", "SHORT", or other
+                # abbreviated key IDs, but only the full fingerprint is guaranteed to work.
+                # In gpg, the full fingerprint can be retrieved from the `fpr` field
+                # returned when calling --list-keys with --with-colons.  For example:
+                # ```
+                # gpg --with-colons --with-fingerprint --force-v4-certs \
+                #     --list-keys attester@example.com
+                # tru::1:1513631572:0:3:1:5
+                # pub:...<SNIP>...
+                # fpr:::::::::24FF6481B76AC91E66A00AC657A93A81EF3AE6FB:
+                # ```
+                # Above, the fingerprint is `24FF6481B76AC91E66A00AC657A93A81EF3AE6FB`.
+            "contentType": "A String", # Type (for example schema) of the attestation payload that was signed.
+                # The verifier must ensure that the provided type is one that the verifier
+                # supports, and that the attestation payload is a valid instantiation of that
+                # type (for example by validating a JSON schema).
+            "signature": "A String", # The raw content of the signature, as output by GNU Privacy Guard (GPG) or
+                # equivalent.  Since this message only supports attached signatures, the
+                # payload that was signed must be attached. While the signature format
+                # supported is dependent on the verification implementation, currently only
+                # ASCII-armored (`--armor` to gpg), non-clearsigned (`--sign` rather than
+                # `--clearsign` to gpg) are supported. Concretely, `gpg --sign --armor
+                # --output=signature.gpg payload.json` will create the signature content
+                # expected in this field in `signature.gpg` for the `payload.json`
+                # attestation payload.
+          },
+        },
+        "noteName": "A String", # An analysis note associated with this image, in the form
+            # "providers/{provider_id}/notes/{NOTE_ID}"
+            # This field can be used as a filter in list requests.
+        "deployment": { # The period during which some deployable was active in a runtime. # Describes the deployment of an artifact on a runtime.
+          "resourceUri": [ # Output only. Resource URI for the artifact being deployed taken from the
+              # deployable field with the same name.
+            "A String",
+          ],
+          "userEmail": "A String", # Identity of the user that triggered this deployment.
+          "address": "A String", # Address of the runtime element hosting this deployment.
+          "platform": "A String", # Platform hosting this deployment.
+          "deployTime": "A String", # Beginning of the lifetime of this deployment.
+          "undeployTime": "A String", # End of the lifetime of this deployment.
+          "config": "A String", # Configuration used to create this deployment.
+        },
+        "remediation": "A String", # A description of actions that can be taken to remedy the `Note`
+        "vulnerabilityDetails": { # Used by Occurrence to point to where the vulnerability exists and how # Details of a security vulnerability note.
+            # to fix it.
+          "packageIssue": [ # The set of affected locations and their fixes (if available) within
+              # the associated resource.
+            { # This message wraps a location affected by a vulnerability and its
+                # associated fix (if one is available).
+              "severityName": "A String",
+              "affectedLocation": { # The location of the vulnerability # The location of the vulnerability.
+                "cpeUri": "A String", # The cpe_uri in [cpe format] (https://cpe.mitre.org/specification/)
+                    # format. Examples include distro or storage location for vulnerable jar.
+                    # This field can be used as a filter in list requests.
+                "version": { # Version contains structured information about the version of the package. # The version of the package being described. This field can be used as a
+                    # filter in list requests.
+                    # For a discussion of this in Debian/Ubuntu:
+                    # http://serverfault.com/questions/604541/debian-packages-version-convention
+                    # For a discussion of this in Redhat/Fedora/Centos:
+                    # http://blog.jasonantman.com/2014/07/how-yum-and-rpm-compare-versions/
+                  "kind": "A String", # Distinguish between sentinel MIN/MAX versions and normal versions.
+                      # If kind is not NORMAL, then the other fields are ignored.
+                  "revision": "A String", # The iteration of the package build from the above version.
+                  "name": "A String", # The main part of the version name.
+                  "epoch": 42, # Used to correct mistakes in the version numbering scheme.
+                },
+                "package": "A String", # The package being described.
+              },
+              "fixedLocation": { # The location of the vulnerability # The location of the available fix for vulnerability.
+                "cpeUri": "A String", # The cpe_uri in [cpe format] (https://cpe.mitre.org/specification/)
+                    # format. Examples include distro or storage location for vulnerable jar.
+                    # This field can be used as a filter in list requests.
+                "version": { # Version contains structured information about the version of the package. # The version of the package being described. This field can be used as a
+                    # filter in list requests.
+                    # For a discussion of this in Debian/Ubuntu:
+                    # http://serverfault.com/questions/604541/debian-packages-version-convention
+                    # For a discussion of this in Redhat/Fedora/Centos:
+                    # http://blog.jasonantman.com/2014/07/how-yum-and-rpm-compare-versions/
+                  "kind": "A String", # Distinguish between sentinel MIN/MAX versions and normal versions.
+                      # If kind is not NORMAL, then the other fields are ignored.
+                  "revision": "A String", # The iteration of the package build from the above version.
+                  "name": "A String", # The main part of the version name.
+                  "epoch": 42, # Used to correct mistakes in the version numbering scheme.
+                },
+                "package": "A String", # The package being described.
+              },
+            },
+          ],
+          "type": "A String", # The type of package; whether native or non native(ruby gems,
+              # node.js packages etc)
+          "cvssScore": 3.14, # Output only. The CVSS score of this vulnerability. CVSS score is on a
+              # scale of 0-10 where 0 indicates low severity and 10 indicates high
+              # severity.
+          "severity": "A String", # Output only. The note provider assigned Severity of the vulnerability.
+          "effectiveSeverity": "A String", # The distro assigned severity for this vulnerability when that is
+              # available and note provider assigned severity when distro has not yet
+              # assigned a severity for this vulnerability.
+        },
+        "createTime": "A String", # Output only. The time this `Occurrence` was created.
+        "derivedImage": { # Derived describes the derived image portion (Occurrence) of the # Describes how this resource derives from the basis
+            # in the associated note.
+            # DockerImage relationship.  This image would be produced from a Dockerfile
+            # with FROM <DockerImage.Basis in attached Note>.
+          "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
+              # occurrence.
+          "layerInfo": [ # This contains layer-specific metadata, if populated it has length
+              # "distance" and is ordered with [distance] being the layer immediately
+              # following the base image and [1] being the final layer.
+            { # Layer holds metadata specific to a layer of a Docker image.
+              "arguments": "A String", # The recovered arguments to the Dockerfile directive.
+              "directive": "A String", # The recovered Dockerfile directive used to construct this layer.
+            },
+          ],
+          "fingerprint": { # A set of properties that uniquely identify a given Docker image. # The fingerprint of the derived image.
+            "v1Name": "A String", # The layer-id of the final layer in the Docker image's v1
+                # representation.
+                # This field can be used as a filter in list requests.
+            "v2Blob": [ # 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.
+                # This field can be used as a filter in list requests.
+          },
+        },
+        "resourceUrl": "A String", # The unique URL of the image or the container for which the `Occurrence`
+            # applies. For example, https://gcr.io/project/image@sha256:foo This field
+            # can be used as a filter in list requests.
+      },
+    ],
+  }</pre>
+</div>
+
+<div class="method">
+    <code class="details" id="list_next">list_next(previous_request, previous_response)</code>
+  <pre>Retrieves the next page of results.
+
+Args:
+  previous_request: The request for the previous page. (required)
+  previous_response: The response from the request for the previous page. (required)
+
+Returns:
+  A request object that you can call 'execute()' on to request the next
+  page. Returns None if there are no more items in the collection.
+    </pre>
+</div>
+
+</body></html>
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