Base:
method
GetCollectionExpressionConversion
Microsoft.CodeAnalysis.CSharp.ConversionsBase.GetCollectionExpressionConversion(Microsoft.CodeAnalysis.CSharp.BoundUnconvertedCollectionExpression, Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol, ref Microsoft.CodeAnalysis.CompoundUseSiteInfo<Microsoft.CodeAnalysis.CSharp.Symbols.AssemblySymbol>)