public Builder mergeSecurityRules(
        com.google.cloud.video.livestream.v1.Input.SecurityRule value) {
      if (securityRulesBuilder_ == null) {
        if (((bitField0_ & 0x00000100) != 0)
            && securityRules_ != null
            && securityRules_
                != com.google.cloud.video.livestream.v1.Input.SecurityRule.getDefaultInstance()) {
          getSecurityRulesBuilder().mergeFrom(value);
        } else {
          securityRules_ = value;
        }
      } else {
        securityRulesBuilder_.mergeFrom(value);
      }
      if (securityRules_ != null) {
        bitField0_ |= 0x00000100;
        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