Base:
method
MakeDeclaredBase
Microsoft.CodeAnalysis.VisualBasic.Microsoft.CodeAnalysis.VisualBasic.SynthesizedContainer.MakeDeclaredBase(Microsoft.CodeAnalysis.VisualBasic.Microsoft.CodeAnalysis.VisualBasic.BasesBeingResolved, Microsoft.CodeAnalysis.VisualBasic.Microsoft.CodeAnalysis.VisualBasic.BindingDiagnosticBag)