code: @BetaApi
    public final ListSecurityPoliciesPagedResponse listSecurityPolicies(ProjectName project) {
      ListSecurityPoliciesHttpRequest request =
          ListSecurityPoliciesHttpRequest.newBuilder()
              .setProject(project == null ? null : project.toString())
              .build();
      return listSecurityPolicies(request);
    }
docs: List all the policies that have been configured for the specified project.
  
  <p>Sample code:
  
  <pre><code>
  try (SecurityPolicyClient securityPolicyClient = SecurityPolicyClient.create()) {
  ProjectName project = ProjectName.of("[PROJECT]");
  for (SecurityPolicy element : securityPolicyClient.listSecurityPolicies(project).iterateAll()) {
  // doThingsWith(element);
  }
  }
  </code></pre>
  
  @param project Project ID for this request.
  @throws com.google.api.gax.rpc.ApiException if the remote call fails