Make SqlServerMonitoringApi public (rather than internal)

I'm creating a custom dashboard (with a custom SQL query at `SqlServerMonitoringApi.GetJobs`) and the first issue I had to deal with is that SqlServerMonitoringApi is an internal class, so I had to copy paste a lot of the code to make things work, so to avoid such bad practice and in the name of extensibility and customization I humbly ask for that class to become public and its _private_ methods to become _protected_ instead. Thanks.

Start at SqlServerMonitoringApi.GetJobs, the entry point named in the issue, and inspect the class's private methods and current visibility. Done means the class is publicly usable for custom dashboards and the requested private methods are protected, with the existing SQL Server monitoring behavior preserved.

Written by the indexing model from the issue text.