extensions/typescript-language-features/src/tsServer/spawner.ts/TypeScriptServerSpawner/kindToServerType
class TypeScriptServerSpawner:	private kindToServerType(kind: TsServerProcessKind): ServerType {
		switch (kind) {
			case TsServerProcessKind.Syntax:
				return ServerType.Syntax;

			case TsServerProcessKind.Main:
			case TsServerProcessKind.Semantic:
			case TsServerProcessKind.Diagnostics:
			default:
				return ServerType.Semantic;
		}
	}