@java.lang.Override
    public Builder clear() {
      super.clear();
      bitField0_ = 0;
      startIndex_ = 0;
      endIndex_ = 0;
      uri_ = "";
      title_ = "";
      license_ = "";
      publicationDate_ = null;
      if (publicationDateBuilder_ != null) {
        publicationDateBuilder_.dispose();
        publicationDateBuilder_ = null;
      }
      return this;
    }
<pre>
Source attributions for content.
</pre>

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