public Builder clearValidateOnly() {
      bitField0_ = (bitField0_ & ~0x00000002);
      validateOnly_ = false;
      onChanged();
      return this;
    }
<pre>
Optional. If set to `true`, validates and previews the request, but doesn't
create the subscription.
</pre>

<code>bool validate_only = 2 [(.google.api.field_behavior) = OPTIONAL];</code>

@return This builder for chaining.
java-workspaceevents/proto-google-cloud-workspaceevents-v1/src/main/java/com/google/apps/events/subscriptions/v1/CreateSubscriptionRequest.java