Newtonsoft.Json by James Newton-King

<PackageReference Include="Newtonsoft.Json" Version="10.0.3" />

 TraceLevel

public enum TraceLevel
Specifies what messages to output for the ITraceWriter class.
Error = 1

Output error-handling messages.

Info = 3

Output informational messages, warnings, and error-handling messages.

Off = 0

Output no tracing and debugging messages.

Verbose = 4

Output all debugging and tracing messages.

Warning = 2

Output warnings and error-handling messages.