Pass a project when creating an invisible editor

Fix code generation for duplicate events

Ensure that IOperations nodes within a C# local function are part of …

Change data flow analysis to pass a location for error reporting if a branch is compiler generated
or if it is null (which is effectively compiler generated).

Fixes #18813

Fix race condition in EnC implementation

Fixes #18792

Handle the case where a project doesn't have an output directory set.

Move AddImport types to be more data based.

Fix renaming of files with the new project system

Break type into its own file.

Make json converters strongly typed.

This reverts commit 821daaf669fd66830cecc3e0da653163da7029c7.

Fixes https://devdiv.visualstudio.com/DevDiv/_workitems?id=403647

Avoid re-verifying semantics of nodes that cannot influence each other

Be resilient to projects with multiple versions for a given nuget package

Add extra logging to BuildBoss

Re-enable IBCMerge on workspaces