Concatinate contiguous strings when converting from concatination to interpolated string
fixed #16820

Add a completion provider that suggests tuple names

Properly handle adding multiple usings when there is a banner at the top of the file.

This behavior is controlled in C# with `BinderFlags.IgnoreCorLibraryDuplicatedTypes`, and in VB with an internal compilation option (use `WithIgnoreCorLibraryDuplicatedTypes`).

* do perf tests on other branches

* fix branc hname

* use branchName

Fixes #14882
Fixes #13840
Fixes #13915

Standardize on SymbolInfo.None vs. default(SymbolInfo)

Check the model.TriggerSnapshot to determine if we're after a dot.

Fix the SyntaxPath always true conditions

Fixes #16565

Handle errors in cleanup_perf.ps1

Remove duplication in SynthesizedLocal

Improve the locations where the Change-Signature refactoring is offered.

Remove a few unnecessary CCI interfaces

Fixes #9261.

Fixes #12052

port OOPKilled change to master

Add support for deconstruction into field-like events.

Fixes #16962.

Fix parenthesis simplification around binary expressions

Simplify refactoring providers.

Offer to add a reference even if we have an existing import.

Support VS telemetry and NFW in service hub

Always offer to convert to/from expression/block bodies.