Fix most of the code warnings #2519
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…headers. IDictionary.Add will throw an ArgumentException when attempting to add a duplicate key.
…ing was intended.
…ember '...'. Add the Obsolete attribute to '...'.
…nously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.
…den member (possibly because of nullability attributes).
… dependency. Either modify the version spec of dependency "OpenTelemetry.Instrumentation.Process [0.5.0-beta.7, )" or update the version field in the nuspec.
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This fixes most of the code warnings that are in the codebase. There is a separate commit for every warning type.
There still are 4 instances of warning CS0649 Field '…' is never assigned to, and will always have its default value null:
PauseAfterEachItem._OptionsKeepOutboundLinkTargetProcessor._optionsOutboundLinkCheckingProcessor._optionsTfsWorkItemOverwriteAreasAsTagsProcessor._configAs the warning states, these are fields which are declared, but are never set ad hence the value is
null. The problem is, I cannot remove these fileds, because they are used in code. So I believe, that those classes (or at least those specific code paths) are not used at all, because it would fail withNullReferenceException. The only possibility is, that the values are set somewhere by reflection? So I will leave these warnings to someone else to look at them.