moving error list tests to new framework

Properly preserve doc comments when converting a property into a method.

first step on separating IOperation from BoundTree.

propsed change for up-for-grabs label

Make a minimal edit in completion when it is safe to do so.

Support camel cased matching, even if the pattern was entirely lowercase.

Add option for 'use expression body for single line'

Highlight the DisplayText and not the FilterText when highlighting completion items.

this is easy step. just spliting all IOperations as its own files and put them in its own folder

Only offer ?? for reference types.

moving Workspace tests to new framework

Address null ref when we can't get an Undo manager.

Fixes https://github.com/dotnet/roslyn/issues/17898

add an ability to restart OOP

Don't offer to inline _ as that could become a discard.

see dotnet/corefx#17533

Pass along appropriate loc strings for the 'use pattern matching' code actions.

Better codify brace matching invariants.

Support getting and setting Module accessibility through the SyntaxGenerator

Change s_FieldModifiers filter to accept WithEvents modifier on VB fields
Fixes https://github.com/dotnet/roslyn/issues/18159