pub fn args(f: Function) -> Promise(Array(FunctionArg))

pub fn description(f: Function) -> Promise(String)

pub fn id(f: Function) -> Promise(String)

pub fn name(f: Function) -> Promise(String)

pub fn return_type(f: Function) -> TypeDef

pub fn with_arg(f: Function, arg: FunctionArg) -> Function

pub fn with_description(
  f: Function,
  description: String,
) -> Function