Overview of GetMarketplacePackageVersionsAsync goes here.
Example in C#
// Returns: IEnumerable<MarketplacePackageVersionInfo>
var marketplacePackageVersionInfo = await client.GetMarketplacePackageVersionsAsync(FolderInfo folder, String packageId, String packageName, String versionNumber, Boolean includeChildrenFolders, Boolean includeParentFolders, Boolean onlyChildrenFolders);