@spec allow(parent :: pid(), allow :: pid()) :: :ok

@spec child_spec(opts :: any()) :: Supervisor.child_spec()

@spec get!(key :: any()) :: any()

@spec get_dependency_pid(module()) :: pid() | nil

@spec get_parent() :: pid()

@spec get_parent(pid()) :: pid()

@spec put(key :: any(), value :: any()) :: :ok

@spec start_dependency(module :: module(), opts :: map()) :: :ok

@spec started?() :: boolean()