def field_annotation_is_scalar_sequence(annotation: Union[type[Any], None]) -> bool:
    origin = get_origin(annotation)
    if origin is Union or origin is UnionType:
        at_least_one_scalar_sequence = False
        for arg in get_args(annotation):
            if field_annotation_is_scalar_sequence(arg):
                at_least_one_scalar_sequence = True

def is_sequence_field(field: ModelField) -> bool:
    return shared.field_annotation_is_sequence(field.field_info.annotation)


def is_scalar_sequence_field(field: ModelField) -> bool:
    return shared.field_annotation_is_scalar_sequence(field.field_info.annotation)


def is_bytes_field(field: ModelField) -> bool:
    return shared.is_bytes_or_nonable_bytes_annotation(field.type_)