Microsoft.CodeAnalysis.SolutionExplorer.AbstractSolutionExplorerSymbolTreeItemProvider<TCompilationUnitSyntax, TMemberDeclarationSyntax, TNamespaceDeclarationSyntax, TEnumDeclarationSyntax, TTypeDeclarationSyntax, TMemberStatement>.AddMemberStatement(Microsoft.CodeAnalysis.DocumentId, TMemberStatement, Microsoft.CodeAnalysis.PooledObjects.ArrayBuilder<Microsoft.CodeAnalysis.SolutionExplorer.SymbolTreeItemData>, System.Text.StringBuilder)