pub fn add_code_paths(paths: List(String)) -> Nil

pub fn beam_functions(beam: String) -> List(#(String, Int, Int))

pub fn beam_sources(
  ebin: String,
) -> List(#(String, String, String))

pub fn capture(
  program: String,
  arguments: List(String),
  cwd: String,
) -> #(Int, String)

pub fn cover_analyse(
  modules: List(String),
) -> Result(List(#(String, List(#(Int, Bool)))), String)

pub fn cover_analyse_functions(
  modules: List(String),
) -> Result(List(#(String, List(#(String, Int, Int)))), String)

pub fn cover_compile(
  beam_paths: List(String),
) -> List(#(String, String))

pub fn cover_start() -> Result(Nil, String)

pub fn cover_stop() -> Nil

pub fn delete_file(path: String) -> Nil

pub fn ensure_app_started(app: String) -> Result(Nil, String)

pub fn eprintln(message: String) -> Nil

pub fn file_exists(path: String) -> Bool

pub fn find_ebins(root: String) -> List(String)

pub fn find_project_root() -> String

pub fn get_cwd() -> String

pub fn halt(code: Int) -> Nil

pub fn is_dir(path: String) -> Bool

pub fn is_erlang() -> Bool

pub fn otp_release() -> String

pub fn plain_args() -> List(String)

pub fn profile_tests(
  root: String,
  color: Bool,
  mode: String,
) -> Result(
  #(Int, Int, List(#(String, String, Int, Int, Int, Int))),
  String,
)

pub fn read_file(path: String) -> Result(String, String)

pub fn run(
  program: String,
  arguments: List(String),
  cwd: String,
) -> Int

pub fn run_tests(root: String, color: Bool) -> Int

pub fn set_cwd(path: String) -> Result(Nil, String)

pub fn which(program: String) -> Result(String, String)

pub fn write_file(
  path: String,
  contents: String,
) -> Result(Nil, String)