Microsoft.CodeAnalysis.LanguageService.ISyntaxFacts.GetPartsOfBaseNamespaceDeclaration(Microsoft.CodeAnalysis.SyntaxNode, out Microsoft.CodeAnalysis.SyntaxNode, out Microsoft.CodeAnalysis.SyntaxList<Microsoft.CodeAnalysis.SyntaxNode>, out Microsoft.CodeAnalysis.SyntaxList<Microsoft.CodeAnalysis.SyntaxNode>)