IPackageDownload- A package downloaded
IPackageSourceMetadata- Combines IPackageSearchMetadata and NuGetServer to provide more functionality
NuGetCopySettings- Settings for copying files from download to final resting place
NuGetExtensions- Extensions for NuGet Stuff
NuGetLogger- Microsoft.Extensions.Logging adaptor to NuGet Logging
NuGetSearcherUtility- Utility functions for NuGetSearch
NuGetServer- The base server class which you can search against