* bump ts to v4
* MOAR RAM
* fix type errors for OSS
* first pass on x-pack errors
* second pass on x-pack type errors
* 3rd pass on x-pack type-errors
* mute errors if complex cases
* don't delete if spread suffices
* mute other complex cases
* make User fields optional
* fix optional types
* fix tests
* fix typings for time_range
* fix type errors in x-pack/tests
* rebuild kbn-pm
* remove leftovers from master update
* fix alert tests
* [Telemetry Checker] TS4 Fixes
* bump to 4.0.1-rc
* fix new errors in master
* bump typescript-eslint to version supporting TS v4 syntax
* fix merge commit errors
* update to the stable TS version 4.0.2
* bump ts-eslint to version supporting ts v4
* fix typo
* fix type errors after merge
* update ts in another new package.json
* TEMP: remove me
* Revert "TEMP: remove me"
This reverts commit dc0fc3bae6.
* [Telemetry] Update snapshot for new TS4 SyntaxKind
* bump prettier to support TS v4 syntax
* fix prettier rules
* last style change
* fix new type errors
Co-authored-by: Alejandro Fernández Haro <alejandro.haro@elastic.co>
