pub const decode: fn(value.Value(c, d)) -> Result(
  BitArray,
  break.Reason(c, d),
)

pub fn encode(
  result: Result(List(#(julienne.Term, Int)), String),
) -> value.Value(a, b)

pub const label: String

pub fn lift() -> isomorphic.Type(a)

pub fn lower() -> isomorphic.Type(a)

pub fn sync(raw: BitArray) -> value.Value(a, b)