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