public Builder clearSecurityRules() {
      bitField0_ = (bitField0_ & ~0x00000100);
      securityRules_ = null;
      if (securityRulesBuilder_ != null) {
        securityRulesBuilder_.dispose();
        securityRulesBuilder_ = null;
      }
      onChanged();
      return this;
    }
<pre>
Security rule for access control.
</pre>

<code>.google.cloud.video.livestream.v1.Input.SecurityRule security_rules = 12;</code>
java-video-live-stream/proto-google-cloud-live-stream-v1/src/main/java/com/google/cloud/video/livestream/v1/Input.java