Function register_object_builder 

pub fn register_object_builder(
    builder_constructor: Box<dyn Fn(PlSmallStr, usize) -> Box<dyn AnonymousObjectBuilder> + Send + Sync>,
    object_converter: Arc<dyn Fn(AnyValue<'_>) -> Box<dyn Any> + Send + Sync>,
    pyobject_converter: Arc<dyn Fn(AnyValue<'_>) -> Box<dyn Any> + Send + Sync>,
    physical_dtype: ArrowDataType,
    array_getter: Arc<dyn Fn(&(dyn Array + 'static), usize) -> Option<AnyValue<'_>> + Send + Sync>,
)

Available on crate feature object only.