method
GetMethodGroupDelegateConversion
Microsoft.CodeAnalysis.CSharp.ConversionsBase.GetMethodGroupDelegateConversion(Microsoft.CodeAnalysis.CSharp.BoundMethodGroup, Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol, ref Microsoft.CodeAnalysis.CompoundUseSiteInfo<Microsoft.CodeAnalysis.CSharp.Symbols.AssemblySymbol>)