Microsoft.CodeAnalysis.UseCollectionInitializer.AbstractUseCollectionInitializerAnalyzer<TExpressionSyntax, TStatementSyntax, TObjectCreationExpressionSyntax, TMemberAccessExpressionSyntax, TInvocationExpressionSyntax, TExpressionStatementSyntax, TLocalDeclarationStatementSyntax, TVariableDeclaratorSyntax, TAnalyzer>.IsComplexElementInitializer(Microsoft.CodeAnalysis.SyntaxNode, out System.Int32)