ProductNugetInfo

Versions

public string[] Versions { get; }

value = productNugetInfo.Versions

The published versions, by number alone.

VersionsInfo

public ProductNugetVersionInfo[] VersionsInfo { get; set; }

value = productNugetInfo.VersionsInfo
productNugetInfo.VersionsInfo = value

What the feed says about each published version: when it appeared and what it carries.