public static com.google.cloud.vertexai.api.GenerateContentResponse.PromptFeedback parseFrom(
        byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
      return PARSER.parseFrom(data);
    }
<pre>
Output only. A readable block reason message.
</pre>

<code>string block_reason_message = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>

@return The bytes for blockReasonMessage.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenerateContentResponse.java