public Builder mergeSearchEntryPoint(com.google.cloud.vertexai.api.SearchEntryPoint value) {
      if (searchEntryPointBuilder_ == null) {
        if (((bitField0_ & 0x00000002) != 0)
            && searchEntryPoint_ != null
            && searchEntryPoint_
                != com.google.cloud.vertexai.api.SearchEntryPoint.getDefaultInstance()) {
          getSearchEntryPointBuilder().mergeFrom(value);
        } else {
          searchEntryPoint_ = value;
        }
      } else {
        searchEntryPointBuilder_.mergeFrom(value);
      }
      if (searchEntryPoint_ != null) {
        bitField0_ |= 0x00000002;
        onChanged();
      }
      return this;
    }
<pre>
Optional. Google search entry for the following-up web searches.
</pre>

<code>
optional .google.cloud.vertexai.v1.SearchEntryPoint search_entry_point = 4 [(.google.api.field_behavior) = OPTIONAL];
</code>
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/GroundingMetadata.java