import java.io.Serializable;
import java.util.Map;

@NonNullApi
public class DefaultAdditionalData implements InternalAdditionalData, Serializable {

    private final Map<String, Object> additionalData;

    public DefaultAdditionalData(Map<String, Object> additionalData) {
        this.additionalData = ImmutableMap.copyOf(additionalData);
    }

    @Override

            Optional.ofNullable(data.getTypeName()).ifPresent(typeName -> builder.put("typeName", typeName));
            return new DefaultAdditionalData(builder.build());
        } else if (additionalData instanceof GeneralData) {
            GeneralData data = (GeneralData) additionalData;
            return new DefaultAdditionalData(
                data.getAsMap().entrySet().stream()
                    .filter(entry -> isSupportedType(entry.getValue()))