@java.lang.Override
    public Builder clear() {
      super.clear();
      bitField0_ = 0;
      if (candidatesBuilder_ == null) {
        candidates_ = java.util.Collections.emptyList();
      } else {
        candidates_ = null;
        candidatesBuilder_.clear();
      }
      bitField0_ = (bitField0_ & ~0x00000001);
      modelVersion_ = "";
      createTime_ = null;
      if (createTimeBuilder_ != null) {
        createTimeBuilder_.dispose();
        createTimeBuilder_ = null;
      }
      responseId_ = "";
      promptFeedback_ = null;
      if (promptFeedbackBuilder_ != null) {
        promptFeedbackBuilder_.dispose();
        promptFeedbackBuilder_ = null;
      }
      usageMetadata_ = null;
      if (usageMetadataBuilder_ != null) {
        usageMetadataBuilder_.dispose();
        usageMetadataBuilder_ = null;
      }
      return this;
    }
<pre>
Response message for [PredictionService.GenerateContent].
</pre>

Protobuf type {@code google.cloud.vertexai.v1.GenerateContentResponse}
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GenerateContentResponse.java