* Create solution on the main thread in integration tests

* Close solution on the main thread in integration tests

* Use cached data for completion of unimported types

Even if it might be stale. the completion list would be computed with cached data and cache refresh would be done in background.

* Use cached data for completion of unimported extension methods

Even if it might be stale. the completion list would be computed with cached data and cache refresh would be done in background.

* Try to refresh import completion cache in the background whenever completion is triggered

* Use AsyncBatchingWorkQueue for background cache updates

* Fix tests

* clean up

* Fix tests

* Make sure background task to update cache always run

* Expose ForceExpandedCompletionIndexCreation option to O#

This can be used to tweak test behavior to make it deterministic

* Don't use Workspace.CurrentSolution when refreshing cache in background

* Use AsynchronousOperationListener for background workqueues

* Update src/Tools/ExternalAccess/OmniSharp/Completion/OmniSharpCompletionOptions.cs

Co-authored-by: Sam Harwell <sam@tunnelvisionlabs.com>

* Pass ThreadingContext.DisposalToken to workqueue for cache refresh

* Remove namespace imports

* Remove enableRoslynAnalyzers from codespace default settings

Follow up to #60165

We don't think this is the right default as users probably don't want this unless they have at least 8 cores.

* Fix typo in Apply_namespace_matches_folder_preferences

* Remove period at the end to be consistent with other messages

* Fix inconsistency in other languages too

* Refactoring

* Ban incompatible service provider extension methods

* Assert window title before closing

* Remove outdated comment (#60275)

* Don't block on clearing the output window on the UI thread when generating a file (#60281)

* Fix issue with remove-unnecessary-cast and necessary explicit casts.

* Fix work item

* Correct change ObjectCreationExpression to ImplictObjectCreationExpression for SmartBreakline (#60249)

* Fix the initializer adding scenario

* Fix the initializer removal scenario

* Add an Assertion in debug to help if future derive type is added

* Remove the check for NewKeyword

* Option to always use default symbol servers for GTD (#60053)

* pass the listener to the constructor

* Edit the breaking change doc for publishing on docs (#60260)

Co-authored-by: Rikki Gibson <rikkigibson@gmail.com>

* Update SDK version in docs, etc. (#60299)

* Fix type parameter scoping for local functions (#60098)

Co-authored-by: Youssef1313 <youssefvictor00@gmail.com>

* Fix conversion issues in null coalescing operator (#60202)

* Revert "Fix a typo and an inconsistency"

This reverts #60238

* Fix XLF files that were manually edited

* Check for reference assembly before deciding which language to show (#60271)

* Update dependencies from https://github.com/dotnet/arcade build 20220321.2 (#60315)

[main] Update dependencies from dotnet/arcade

* Fix issue when multiple different diagnostics share a single fixer

* Add basic TS LSP server (#59639)

* Add basic TS LSP server

* Add external access layer for TS

* Include text sync handlers

* Fix build error

* Switch to explicit interface impl

* Fix namespaces

* Remove testing string

* Fix

* Don't offer convert to switch when an implicit cast is present (#60224)

* Initialize MEF parts before switching to the UI thread (#60289)

* Add support for CheckedStatement for smart break line (#60308)

* Add support for CheckedStatement

* Address feedback

* Remove a not needed import

* Allow VS Mac to access a few options and a helper method (#60333)

* [LSP] Don't adjust breakpoints when there are diagnostics in the document (#60334)

* Fix our x86 test execution (#60323)

* Fix our x86 test execution

The transition to `dotnet test` seems to have broken our unit tests that
depend on executing on an x86 architecture. This fixes that by using the
`--arch` argument to the `dotnet test` execution.

This was made more general to facilitate our future arm64 work in this
area

* Disable test failing on x64

* fix the test

* Apply suggestions from code review

Co-authored-by: Sam Harwell <sam@tunnelvisionlabs.com>

* Disable test on spanish

* Test fixes

Co-authored-by: Sam Harwell <sam@tunnelvisionlabs.com>

* Avoid resizing array builder while get unaliased references (#60220)

This was being resized constantly after opening Orchard Core, allocating about 2 GB. The fact that is being called this many times appears to be another bug that I'm following up on.

* Skip CodeDefinitionWindows integration tests

* Fix top-level speculation (#60274)

Co-authored-by: Youssef Victor <youssefvictor00@gmail.com>

Co-authored-by: Sam Harwell <Sam.Harwell@microsoft.com>
Co-authored-by: gel@microsoft.com <gel@microsoft.com>
Co-authored-by: Gen Lu <genlu@users.noreply.github.com>
Co-authored-by: Sam Harwell <sam@tunnelvisionlabs.com>
Co-authored-by: Jonathon Marolf <jmarolf@users.noreply.github.com>
Co-authored-by: Daniel Chalmers <daniel.chalmers@outlook.com>
Co-authored-by: astroC86 <66444189+astroC86@users.noreply.github.com>
Co-authored-by: David Wengier <david.wengier@microsoft.com>
Co-authored-by: Cyrus Najmabadi <cyrusn@microsoft.com>
Co-authored-by: Shen Chen <Cosifne@users.noreply.github.com>
Co-authored-by: CyrusNajmabadi <cyrus.najmabadi@gmail.com>
Co-authored-by: msftbot[bot] <48340428+msftbot[bot]@users.noreply.github.com>
Co-authored-by: Bill Wagner <wiwagn@microsoft.com>
Co-authored-by: Rikki Gibson <rikkigibson@gmail.com>
Co-authored-by: Rikki Gibson <rigibson@microsoft.com>
Co-authored-by: Julien Couvreur <jcouv@users.noreply.github.com>
Co-authored-by: Youssef1313 <youssefvictor00@gmail.com>
Co-authored-by: dotnet-maestro[bot] <42748379+dotnet-maestro[bot]@users.noreply.github.com>
Co-authored-by: Joey Robichaud <jorobich@microsoft.com>
Co-authored-by: David Barbet <dabarbet@microsoft.com>
Co-authored-by: Jared Parsons <jaredpparsons@gmail.com>
Co-authored-by: David Kean <davkean@microsoft.com>