Prefer 'static readonly' fields over constant array arguments if the called method is called repeatedly and is not mutating the passed array (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1861)

Prefer 'static readonly' fields over constant array arguments if the called method is called repeatedly and is not mutating the passed array (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1861)

Change return type of method 'CreateDefaultFileSystemProvider' from 'Opc.Ua.Server.FileSystem.IFileSystemProvider' to 'Opc.Ua.Server.FileSystem.PhysicalFileSystemProvider' for improved performance (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1859)

Change return type of method 'ReadStringArray' from 'System.Collections.Generic.IReadOnlyList<string>' to 'System.Collections.Generic.List<string>' for improved performance (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1859)

Change return type of method 'ReadStructureArray' from 'System.Collections.Generic.IReadOnlyList<T>' to 'System.Collections.Generic.List<T>' for improved performance (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1859)

'string.IndexOf(char)' has a method overload that takes a 'StringComparison' parameter. Replace this call in 'Opc.Ua.Client.AliasNames.PubSub.AliasNamePubSubRefreshStrategy.StripNamespacePrefix(string?)' with a call to 'string.IndexOf(char, System.StringComparison)' for clarity of intent. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1307)

The enum member 'AutoOnLastChangePolling' has the same constant value '1' as member 'AutoOnLastChange' (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1069)

'string.IndexOf(char)' has a method overload that takes a 'StringComparison' parameter. Replace this call in 'Opc.Ua.Server.FileSystem.FileSystemNodeId.ConstructIdForComponent(Opc.Ua.NodeState, ushort)' with a call to 'string.IndexOf(char, System.StringComparison)' for clarity of intent. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1307)

'string.Replace(string, string?)' has a method overload that takes a 'StringComparison' parameter. Replace this call in 'Opc.Ua.Server.IdentityRuleValidator.NormaliseThumbprint(string?)' with a call to 'string.Replace(string, string?, System.StringComparison)' for clarity of intent. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1307)

Do not use Enumerable methods on indexable collections. Instead use the collection directly. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1826)