Error in Schema Transformation: Mismatch in Expected Types for Decoding and Encoding Functions

export const ItemHistoryData = S.Array(
  S.Tuple(S.DateFromString, S.Number, S.BigInt).pipe(S.transform(
    S.Struct({
      volume: S.Tuple(S.Date, S.BigInt),
      price: S.Tuple(S.Date, S.BigInt),
    }),
    {
      decode: ([date, price, volume]) => ({
        volume: Tuple.make(date, volume),
        price: Tuple.make(date, price),
      }),
      encode: ({ volume: [date, volume], price: [_, price] }) => Tuple.make(volume, price, date),
      strict: true,
    }
  ), S.asSchema),
);

Argument of type '{ decode: ([date, price, volume]: readonly [Date, number, bigint]) => { volume: [Date, bigint]; price: [Date, number]; }; encode: ({ volume: [date, volume], price: [_, price] }: { readonly volume: readonly [string, string]; readonly price: readonly [string, string]; }) => [...]; strict: true; }' is not assignable to parameter of type '{ readonly decode: (fromA: readonly [Date, number, bigint], fromI: readonly [string, number, string]) => { readonly volume: readonly [string, string]; readonly price: readonly [string, string]; }; readonly encode: (toI: { ...; }, toA: { ...; }) => readonly [...]; readonly strict?: true; } | { ...; }'.
  Type at position 0 in source is not compatible with type at position 0 in target.
    The types of 'decode(...).volume' are incompatible between these types.
      Type 'Date' is not assignable to type 'string'.deno-ts(2345)