public Builder mergeWeb(com.google.cloud.vertexai.api.GroundingChunk.Web value) {
      if (webBuilder_ == null) {
        if (chunkTypeCase_ == 1
            && chunkType_
                != com.google.cloud.vertexai.api.GroundingChunk.Web.getDefaultInstance()) {
          chunkType_ =
              com.google.cloud.vertexai.api.GroundingChunk.Web.newBuilder(
                      (com.google.cloud.vertexai.api.GroundingChunk.Web) chunkType_)
                  .mergeFrom(value)
                  .buildPartial();
        } else {
          chunkType_ = value;
        }
        onChanged();
      } else {
        if (chunkTypeCase_ == 1) {
          webBuilder_.mergeFrom(value);
        } else {
          webBuilder_.setMessage(value);
        }
      }
      chunkTypeCase_ = 1;
      return this;
    }
<pre>
Grounding chunk from the web.
</pre>

<code>.google.cloud.vertexai.v1.GroundingChunk.Web web = 1;</code>
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GroundingChunk.java