-bool CheckAuth(pkgAcquire& Fetcher, bool const PromptUser);
-bool AcquireRun(pkgAcquire &Fetcher, int const PulseInterval, bool * const Failure, bool * const TransientNetworkFailure);
+class pkgAcquire;
+
+APT_PUBLIC bool CheckAuth(pkgAcquire& Fetcher, bool const PromptUser);
+APT_PUBLIC bool AcquireRun(pkgAcquire &Fetcher, int const PulseInterval, bool * const Failure, bool * const TransientNetworkFailure);