@java.lang.Override
    public Builder clear() {
      super.clear();
      bitField0_ = 0;
      mimeType_ = "";
      data_ = com.google.protobuf.ByteString.EMPTY;
      return this;
    }
<pre>
Content blob.

It's preferred to send as [text][google.cloud.aiplatform.v1.Part.text]
directly rather than raw bytes.
</pre>

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