Regen all docs. (#700)

* Stop recursing if discovery == {}

* Generate docs with 'make docs'.
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+
+<h1><a href="containeranalysis_v1beta1.html">Container Analysis API</a> . <a href="containeranalysis_v1beta1.projects.html">projects</a> . <a href="containeranalysis_v1beta1.projects.scanConfigs.html">scanConfigs</a></h1>
+<h2>Instance Methods</h2>
+<p class="toc_element">
+  <code><a href="#get">get(name, x__xgafv=None)</a></code></p>
+<p class="firstline">Gets the specified scan configuration.</p>
+<p class="toc_element">
+  <code><a href="#list">list(parent, pageSize=None, pageToken=None, x__xgafv=None, filter=None)</a></code></p>
+<p class="firstline">Lists scan configurations for the specified project.</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>
+<p class="toc_element">
+  <code><a href="#update">update(name, body, x__xgafv=None)</a></code></p>
+<p class="firstline">Updates the specified scan configuration.</p>
+<h3>Method Details</h3>
+<div class="method">
+    <code class="details" id="get">get(name, x__xgafv=None)</code>
+  <pre>Gets the specified scan configuration.
+
+Args:
+  name: string, The name of the scan configuration in the form of
+`projects/[PROJECT_ID]/scanConfigs/[SCAN_CONFIG_ID]`. (required)
+  x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
+
+Returns:
+  An object of the form:
+
+    { # A scan configuration specifies whether Cloud components in a project have a
+      # particular type of analysis being run. For example, it can configure whether
+      # vulnerability scanning is being done on Docker images or not.
+    "updateTime": "A String", # Output only. The time this scan config was last updated.
+    "description": "A String", # Output only. A human-readable description of what the scan configuration
+        # does.
+    "enabled": True or False, # Whether the scan is enabled.
+    "createTime": "A String", # Output only. The time this scan config was created.
+    "name": "A String", # Output only. The name of the scan configuration in the form of
+        # `projects/[PROJECT_ID]/scanConfigs/[SCAN_CONFIG_ID]`.
+  }</pre>
+</div>
+
+<div class="method">
+    <code class="details" id="list">list(parent, pageSize=None, pageToken=None, x__xgafv=None, filter=None)</code>
+  <pre>Lists scan configurations for the specified project.
+
+Args:
+  parent: string, The name of the project to list scan configurations for in the form of
+`projects/[PROJECT_ID]`. (required)
+  pageSize: integer, The number of scan configs to return in the list.
+  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
+  filter: string, The filter expression.
+
+Returns:
+  An object of the form:
+
+    { # Response for listing scan configurations.
+    "nextPageToken": "A String", # The next pagination token in the list response. It should be used as
+        # `page_token` for the following request. An empty value means no more
+        # results.
+    "scanConfigs": [ # The scan configurations requested.
+      { # A scan configuration specifies whether Cloud components in a project have a
+          # particular type of analysis being run. For example, it can configure whether
+          # vulnerability scanning is being done on Docker images or not.
+        "updateTime": "A String", # Output only. The time this scan config was last updated.
+        "description": "A String", # Output only. A human-readable description of what the scan configuration
+            # does.
+        "enabled": True or False, # Whether the scan is enabled.
+        "createTime": "A String", # Output only. The time this scan config was created.
+        "name": "A String", # Output only. The name of the scan configuration in the form of
+            # `projects/[PROJECT_ID]/scanConfigs/[SCAN_CONFIG_ID]`.
+      },
+    ],
+  }</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>
+
+<div class="method">
+    <code class="details" id="update">update(name, body, x__xgafv=None)</code>
+  <pre>Updates the specified scan configuration.
+
+Args:
+  name: string, The name of the scan configuration in the form of
+`projects/[PROJECT_ID]/scanConfigs/[SCAN_CONFIG_ID]`. (required)
+  body: object, The request body. (required)
+    The object takes the form of:
+
+{ # A scan configuration specifies whether Cloud components in a project have a
+    # particular type of analysis being run. For example, it can configure whether
+    # vulnerability scanning is being done on Docker images or not.
+  "updateTime": "A String", # Output only. The time this scan config was last updated.
+  "description": "A String", # Output only. A human-readable description of what the scan configuration
+      # does.
+  "enabled": True or False, # Whether the scan is enabled.
+  "createTime": "A String", # Output only. The time this scan config was created.
+  "name": "A String", # Output only. The name of the scan configuration in the form of
+      # `projects/[PROJECT_ID]/scanConfigs/[SCAN_CONFIG_ID]`.
+}
+
+  x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
+
+Returns:
+  An object of the form:
+
+    { # A scan configuration specifies whether Cloud components in a project have a
+      # particular type of analysis being run. For example, it can configure whether
+      # vulnerability scanning is being done on Docker images or not.
+    "updateTime": "A String", # Output only. The time this scan config was last updated.
+    "description": "A String", # Output only. A human-readable description of what the scan configuration
+        # does.
+    "enabled": True or False, # Whether the scan is enabled.
+    "createTime": "A String", # Output only. The time this scan config was created.
+    "name": "A String", # Output only. The name of the scan configuration in the form of
+        # `projects/[PROJECT_ID]/scanConfigs/[SCAN_CONFIG_ID]`.
+  }</pre>
+</div>
+
+</body></html>
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