Regen all docs. (#700)

* Stop recursing if discovery == {}

* Generate docs with 'make docs'.
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+
+<h1><a href="vault_v1.html">G Suite Vault API</a> . <a href="vault_v1.matters.html">matters</a> . <a href="vault_v1.matters.holds.html">holds</a> . <a href="vault_v1.matters.holds.accounts.html">accounts</a></h1>
+<h2>Instance Methods</h2>
+<p class="toc_element">
+  <code><a href="#create">create(matterId, holdId, body, x__xgafv=None)</a></code></p>
+<p class="firstline">Adds a HeldAccount to a hold. Accounts can only be added to a hold that</p>
+<p class="toc_element">
+  <code><a href="#delete">delete(matterId, holdId, accountId, x__xgafv=None)</a></code></p>
+<p class="firstline">Removes a HeldAccount from a hold. If this request leaves the hold with</p>
+<p class="toc_element">
+  <code><a href="#list">list(matterId, holdId, x__xgafv=None)</a></code></p>
+<p class="firstline">Lists HeldAccounts for a hold. This will only list individually specified</p>
+<h3>Method Details</h3>
+<div class="method">
+    <code class="details" id="create">create(matterId, holdId, body, x__xgafv=None)</code>
+  <pre>Adds a HeldAccount to a hold. Accounts can only be added to a hold that
+has no held_org_unit set. Attempting to add an account to an OU-based
+hold will result in an error.
+
+Args:
+  matterId: string, The matter ID. (required)
+  holdId: string, The hold ID. (required)
+  body: object, The request body. (required)
+    The object takes the form of:
+
+{ # An account being held in a particular hold. This structure is immutable.
+    # This can be either a single user or a google group, depending on the corpus.
+  "lastName": "A String", # Output only. The last name of the account holder.
+  "holdTime": "A String", # Output only. When the account was put on hold.
+  "email": "A String", # The primary email address of the account. If used as an input, this takes
+      # precedence over account ID.
+  "firstName": "A String", # Output only. The first name of the account holder.
+  "accountId": "A String", # The account's ID as provided by the
+      # <a href="https://developers.google.com/admin-sdk/">Admin SDK</a>.
+}
+
+  x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
+
+Returns:
+  An object of the form:
+
+    { # An account being held in a particular hold. This structure is immutable.
+      # This can be either a single user or a google group, depending on the corpus.
+    "lastName": "A String", # Output only. The last name of the account holder.
+    "holdTime": "A String", # Output only. When the account was put on hold.
+    "email": "A String", # The primary email address of the account. If used as an input, this takes
+        # precedence over account ID.
+    "firstName": "A String", # Output only. The first name of the account holder.
+    "accountId": "A String", # The account's ID as provided by the
+        # <a href="https://developers.google.com/admin-sdk/">Admin SDK</a>.
+  }</pre>
+</div>
+
+<div class="method">
+    <code class="details" id="delete">delete(matterId, holdId, accountId, x__xgafv=None)</code>
+  <pre>Removes a HeldAccount from a hold. If this request leaves the hold with
+no held accounts, the hold will not apply to any accounts.
+
+Args:
+  matterId: string, The matter ID. (required)
+  holdId: string, The hold ID. (required)
+  accountId: string, The ID of the account to remove from the hold. (required)
+  x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
+
+Returns:
+  An object of the form:
+
+    { # A generic empty message that you can re-use to avoid defining duplicated
+      # empty messages in your APIs. A typical example is to use it as the request
+      # or the response type of an API method. For instance:
+      #
+      #     service Foo {
+      #       rpc Bar(google.protobuf.Empty) returns (google.protobuf.Empty);
+      #     }
+      #
+      # The JSON representation for `Empty` is empty JSON object `{}`.
+  }</pre>
+</div>
+
+<div class="method">
+    <code class="details" id="list">list(matterId, holdId, x__xgafv=None)</code>
+  <pre>Lists HeldAccounts for a hold. This will only list individually specified
+held accounts. If the hold is on an OU, then use
+<a href="https://developers.google.com/admin-sdk/">Admin SDK</a>
+to enumerate its members.
+
+Args:
+  matterId: string, The matter ID. (required)
+  holdId: string, The hold ID. (required)
+  x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
+
+Returns:
+  An object of the form:
+
+    { # Returns a list of held accounts for a hold.
+    "accounts": [ # The held accounts on a hold.
+      { # An account being held in a particular hold. This structure is immutable.
+          # This can be either a single user or a google group, depending on the corpus.
+        "lastName": "A String", # Output only. The last name of the account holder.
+        "holdTime": "A String", # Output only. When the account was put on hold.
+        "email": "A String", # The primary email address of the account. If used as an input, this takes
+            # precedence over account ID.
+        "firstName": "A String", # Output only. The first name of the account holder.
+        "accountId": "A String", # The account's ID as provided by the
+            # <a href="https://developers.google.com/admin-sdk/">Admin SDK</a>.
+      },
+    ],
+  }</pre>
+</div>
+
+</body></html>
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