make command line struct's .ctors public

Improved handling of variable scopes for IDE0018 (inline declaration)

Fix implicit type analysis for tuple types

Update status labels for 15.2.x

second step on separating IOperation from BoundTree.

Add unit tests for IVariableDeclaration and IVariableDeclarationStatement

Add assemblies and packages for new code style analyzer distribution

* Getting diagnostics and location of a token without a syntax tree should not crash

* Address PR Comments

* Cleanup

* PR Comments

See Microsoft/msbuild#1661

Disable BuildWithCommandLine until #18204 is fixed

Powershell is used pretty heavily throughout our repo.  This establishes
some guidelines to approach authoring these scripts.

* Adding Unit tests for IfStatement

* Addressing PR feedback

* Addressing pr feedback

* Adding implicit embedded statement test case

Add a little bit of type-safety to editor-config storage locations.

Move stack-alloc checks out of the parser.

Don't update collection initializer statement that references collection being created

Port GoToDefinition tests

Fix accessibility issue in option page controls