private com.google.protobuf.MapField<java.lang.String, java.lang.String>
        internalGetAdditionalInfo() {
      if (additionalInfo_ == null) {
        return com.google.protobuf.MapField.emptyMapField(
            AdditionalInfoDefaultEntryHolder.defaultEntry);
      }
      return additionalInfo_;
    }
<pre>
The original product which holds the custom processor's functionality.
</pre>

<code>.google.cloud.visionai.v1.CustomProcessorSourceInfo.SourceType source_type = 1;</code>

@return This builder for chaining.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/CustomProcessorSourceInfo.java