* Add moduleSuffixes compiler option and related tests. Update baselines for compiler options tests.
* Add a flag to the command-line parser which allows "list" params to preserve "falsy" values such as empty strings. Falsy values are normally stripped out.
* Add tests. Rework resolver logic to only run module-suffix code when needed.
* PR feedback
* Add test
* Remove unnecessary conditional.
* add label details to completion entry
* Use label details for obj literal method completions
* add label details support flag
* add label details support to fourslash
* support both label details and non-label details in object literal method snippets
* CR fixes
* fixes after rebasing
* fix tsserver tests
* skeleton of new feature
* working prototype
* refactor print and format code into its own function
* minor changes; don't support overloads
* have two completion entries
* get rid of accessor support
* add snippet support
* add formatting
* add trailing comma
* add sourcedisplay
* support auto-imports via completion details
* add user preference option and fix ordering of entries
* cleanup
* don't return code actions for no import fixes
* make sortText lower priority for snippets
* get rid of flag
* use optional member sort text
* update baselines
* don't collect method symbols if insert text is not supported
* remove comment
* return undefined if type is not function type
* only slice if needed
* use union reduction; more test cases
* WIP: modify sort text system
* Improve new sort text system
* add signature and union type check
* re-add flag
* fix tests
* rename sort text helper
* fix test and code for union case
* add new flag to protocol type
* fix spaces
* CR: minor fixes
* CR: more fixes
* CR: restructure main flow
* minor fix
* fix(48281) - Preserve indentation when adding missing properties
* fix(48281) - Fix object literal indentation like block
* fix(48281) - Indentation for object literal started with curly brace similar to block
* Simplify getVariancesWorker and associated logic
* Accept new API baselines
* Add 'in' and 'out' modififers / add modifiers to type parameters
* Check variance annotations
* Update test runner
* Accept new API baselines
* Allow variance annotations only on certain type parameters
* Add deprecated implementation of createTypeParameterDeclaration
* Accept new API baselines
* Report variance markers as 'sub-XXX' and 'super-XXX'
* Add tests
* Accept new baselines
* Trace project creation, loading, and updateGraph
* Drop generic event tracing
* Make argument names more consistent
* Trace diagnostics to make steps easier to interpret
* Fill an unexplained gap in updateGraph
* Move updateGraph tracing into base type
* Fill the gaps in updateGraph
* Add isolatedModules error for ambiguous imports referenced in decorator metadata
* Improve test and accept baselines
* Error only for es2015+
* Add namespace import to error message as workaround
* Add codefix
* Fix merge fallout
* Suppress leading and trailing comments for adding missing definite assignment assertion action
* Suppress leading and trailing comments for adding missing initalizer action
* Test for initializer property action
* Handle JS synthetic rest args in contextual parameter assignment
* Limit fixing to only unannotated js rest parameters
* Minimize test
* Add annotated version
* Remove explicit CheckFlags.RestParameter check since apparently not all rest parameters are CheckFlags.RestParameter
