/// <summary>
/// Gets exported value or <c>null</c>.
/// </summary>
public static T TryGetExport <T>(this CompositionContext context)
{
T value;
context.TryGetExport <T>(out value);
return(value);
}
T?IExportProvider.GetExportedValueOrDefault <T>([CanBeNull] string?contractName) where T : class
{
return(_context.TryGetExport <T>(contractName, out var value) ? value : default);