fn json_variant_into_struct_value(
object: BTreeMap<String, JsonVariant>,
struct_type: StructType,
preserve_empty_structs: bool,
) -> Result<StructValue>fn json_variant_into_struct_value(
object: BTreeMap<String, JsonVariant>,
struct_type: StructType,
preserve_empty_structs: bool,
) -> Result<StructValue>