pub const Small = packed struct {
    has_captures_len: bool,
    has_fields_len: bool,
    has_decls_len: bool,
    has_backing_int: bool,
    known_non_opv: bool,
    known_comptime_only: bool,
    name_strategy: NameStrategy,
    layout: std.builtin.Type.ContainerLayout,
    any_default_inits: bool,
    any_comptime_fields: bool,
    any_aligned_fields: bool,
    _: u3 = undefined,
}