pub fn batch(
  db: types.Database,
  queries: List(types.Query),
) -> Result(List(types.QueryResult(dynamic.Dynamic)), types.Error)

pub fn delete(db: types.Database) -> Result(Nil, types.Error)

pub fn query(
  db: types.Database,
  sql: String,
  params: List(json.Json),
  decoder: fn(dynamic.Dynamic) -> Result(
    t,
    List(dynamic.DecodeError),
  ),
) -> Result(types.QueryResult(t), types.Error)

pub fn query_dynamic(
  db: types.Database,
  sql: String,
  params: List(json.Json),
) -> Result(types.QueryResult(dynamic.Dynamic), types.Error)

pub fn query_meta_decoder() -> fn(dynamic.Dynamic) -> Result(
  types.QueryMeta,
  List(dynamic.DecodeError),
)

pub fn query_result_decoder(
  row_decoder: fn(dynamic.Dynamic) -> Result(
    t,
    List(dynamic.DecodeError),
  ),
) -> fn(dynamic.Dynamic) -> Result(
  types.QueryResult(t),
  List(dynamic.DecodeError),
)

pub fn query_to_json(q: types.Query) -> json.Json

pub fn raw_query(
  db: types.Database,
  sql: String,
  params: List(json.Json),
) -> Result(List(List(dynamic.Dynamic)), types.Error)