static extern int rc_extract_channels_from_helix_file(IntPtr filename, RCSharp.ChannelDelegateNative cb, IntPtr user_data);
static extern int rc_world_foreach_lock(IntPtr raw, RCSharp.PackageMatchDelegateNative fn, IntPtr user_data);
static extern void rc_resolver_context_foreach_info(IntPtr raw, IntPtr arg1, int priority, RCSharp.ResolverInfoDelegateNative fn, IntPtr user_data);
static extern int rc_extract_packages_from_aptrpm_buffer(out byte data, int len, IntPtr packman, IntPtr channel, RCSharp.PackageDelegateNative cb, IntPtr user_data);
static extern int rc_world_foreach_upgrade(IntPtr raw, IntPtr package, IntPtr channel, RCSharp.PackageDelegateNative fn, IntPtr user_data);
static extern int rc_world_foreach_package_by_name(IntPtr raw, IntPtr name, IntPtr channel, RCSharp.PackageDelegateNative fn, IntPtr user_data);
static extern int rc_extract_packages_from_helix_buffer (byte[] data, int len, IntPtr channel,
RCSharp.PackageDelegateNative cb, IntPtr user_data);
static extern int rc_world_foreach_system_upgrade(IntPtr raw, bool subscribed_only, RCSharp.PackagePairDelegateNative fn, IntPtr user_data);
static extern int rc_extract_packages_from_undump_file(IntPtr filename, RCSharp.ChannelAndSubdFnNative channel_callback, RCSharp.PackageDelegateNative package_callback, RCSharp.PackageMatchDelegateNative lock_callback, IntPtr user_data);
static extern int rc_extract_packages_from_aptrpm_file (string filename, IntPtr packman, IntPtr channel,
RCSharp.PackageDelegateNative cb, IntPtr user_data);
static extern int rc_world_multi_foreach_subworld(IntPtr raw, RCSharp.WorldDelegateNative cb, IntPtr user_data);
static extern int rc_resolver_context_foreach_upgrade(IntPtr raw, RCSharp.MarkedPackagePairDelegateNative fn, IntPtr user_data);
static extern void rc_resolver_context_foreach_marked_package(IntPtr raw, RCSharp.MarkedPackageDelegateNative fn, IntPtr user_data);
static extern int rc_world_foreach_channel(IntPtr raw, RCSharp.ChannelDelegateNative fn, IntPtr user_data);
static extern int rc_extract_packages_from_directory(IntPtr path, IntPtr channel, IntPtr packman, bool recursive, RCSharp.PackageDelegateNative cb, IntPtr user_data);
static extern int rc_world_foreach_providing_package(IntPtr raw, IntPtr dep, RCSharp.PackageAndSpecDelegateNative fn, IntPtr user_data);
static extern int rc_extract_packages_from_debian_file(IntPtr filename, IntPtr channel, RCSharp.PackageDelegateNative cb, IntPtr user_data);
static extern int rc_world_foreach_package_by_match(IntPtr raw, IntPtr match, RCSharp.PackageDelegateNative fn, IntPtr user_data);
static extern int rc_extract_packages_from_undump_buffer(out byte data, int len, RCSharp.ChannelAndSubdFnNative channel_callback, RCSharp.PackageDelegateNative package_callback, RCSharp.PackageMatchDelegateNative lock_callback, IntPtr user_data);
static extern int rc_world_foreach_parent_package(IntPtr raw, IntPtr dep, RCSharp.PackageAndDepDelegateNative fn, IntPtr user_data);
static extern int rc_extract_channels_from_helix_buffer(out byte data, int len, RCSharp.ChannelDelegateNative cb, IntPtr user_data);
static extern void rc_world_set_refresh_function(IntPtr raw, RCSharp.WorldRefreshDelegateNative refresh_fn);
static extern int rc_resolver_context_foreach_install(IntPtr raw, RCSharp.MarkedPackageDelegateNative fn, IntPtr user_data);