@spec bool_val(term(), RustQ.Type.path({:rustler, :Atom})) :: boolean()

@spec builders(keyword()) :: [RustQ.Rust.Fragment.t()]

@spec decoder(
  atom() | String.t(),
  keyword()
) :: [RustQ.Rust.Fragment.t()]

@spec default_struct_values(
  RustQ.Type.path(:Env, RustQ.Type.lifetime(:_)),
  RustQ.Type.path(:Atom),
  RustQ.Type.usize()
) :: RustQ.Type.vec(RustQ.Type.path({:rustler, :wrapper, :NIF_TERM}))

@spec f64_val(term(), RustQ.Type.path({:rustler, :Atom})) :: RustQ.Type.f64()

@spec get(term(), RustQ.Type.path({:rustler, :Atom})) :: RustQ.Type.option(term())

@spec helpers(keyword()) :: [RustQ.Rust.Fragment.t()]

@spec is_nil(term()) :: boolean()

@spec list_val(term(), RustQ.Type.path({:rustler, :Atom})) :: RustQ.Type.vec(term())

@spec make_map_from_terms(
  RustQ.Type.path(:Env, RustQ.Type.lifetime(:a)),
  RustQ.Type.slice({term(), term()})
) :: RustQ.Type.nif_result(term())

@spec make_struct_from_terms(
  RustQ.Type.path(:Env, RustQ.Type.lifetime(:a)),
  RustQ.Type.slice(term()),
  RustQ.Type.slice(term())
) :: RustQ.Type.nif_result(term())

@spec opt(term(), RustQ.Type.path({:rustler, :Atom})) :: RustQ.Type.option(term())

@spec str_val(term(), RustQ.Type.path({:rustler, :Atom})) :: String.t()

@spec type_atom(term()) :: RustQ.Type.option(RustQ.Type.path({:rustler, :Atom}))

@spec type_eq(term(), RustQ.Type.path({:rustler, :Atom})) :: boolean()

@spec type_str(term()) :: String.t()