* Before refactoring ParameterCollection assignment logic, add more test coverage
* Begin caching parameter assignment info
* Factor out some reflection code to a reusable location
* Use IPropertySetter to avoid all per-property-assignment reflection
* More error cases and tests for parameter assignment
* Enable binding to nonpublic properties
* Add analyzer to warn and provide fix for public component parameters
* Unit test for analyzer
* Component tag helper now includes private properties if they have [Parameter]
* CR feedback: Remove garbage from csproj
* CR feedback: Rename .Build.Analyzers to .Analyzers
* CR feedback: Move BlazorApi.cs to shared; use it from Analyzers test
* Fix incorrect test name
* Make as many parameters private as possible. Replace ILayoutComponent with BlazorLayoutComponent.
* In component tag helper discovery, consider private members too
* Reduce the work in component parameter discovery by not inspecting the BlazorComponent base class (or System.Object)
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