quo;, it matches to any methods.
This field should not be set for TCP services. The policy will be ignored.
For gRPC services, only <code>POST</code> is allowed; other methods will result in denying services.</p></td><td>No</td></tr><tr id=AccessRule-constraints><td><code>constraints</code></td><td><code><a href=#AccessRule-Constraint>Constraint[]</a></code></td><td><p>Optional. Extra constraints in the ServiceRole specification.</p></td><td>No</td></tr></tbody></table></section><h2 id=AccessRule-Constraint