pub fn apply_migrations(
  db: sqlight.Connection,
  migrations: dict.Dict(String, types.Migration),
) -> Result(Nil, types.Error)

pub fn create_migrations_table(
  db: sqlight.Connection,
  next: fn() -> Result(Nil, types.Error),
) -> Result(Nil, types.Error)

pub fn exec(
  db: sqlight.Connection,
  sql: String,
) -> Result(Nil, types.Error)

pub fn filter_applied_migrations(
  db: sqlight.Connection,
  migrations: dict.Dict(String, types.Migration),
  next: fn(dict.Dict(String, types.Migration)) -> Result(
    Nil,
    types.Error,
  ),
) -> Result(Nil, types.Error)

pub fn query(
  db: sqlight.Connection,
  query sql: String,
  args args: List(sqlight.Value),
  decoder decoder: decode.Decoder(a),
) -> Result(List(a), types.Error)