@java.lang.Override
    public com.google.cloud.vertexai.api.SafetySetting.HarmBlockThreshold getThreshold() {
      com.google.cloud.vertexai.api.SafetySetting.HarmBlockThreshold result =
          com.google.cloud.vertexai.api.SafetySetting.HarmBlockThreshold.forNumber(threshold_);
      return result == null
          ? com.google.cloud.vertexai.api.SafetySetting.HarmBlockThreshold.UNRECOGNIZED
          : result;
    }
<pre>
Required. The harm block threshold.
</pre>

<code>
.google.cloud.vertexai.v1.SafetySetting.HarmBlockThreshold threshold = 2 [(.google.api.field_behavior) = REQUIRED];
</code>

@return The threshold.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SafetySetting.java