# sig/rb_sys/mkmf.rbs

module RbSys::Mkmf
  def base_makefile: () -> untyped
  def cargo_command: () -> untyped
  def create_rust_makefile: () -> untyped
  def dllib_path: () -> untyped
  def env_line: () -> untyped
  def env_or_makefile_config: () -> untyped
  def env_vars: () -> untyped
end