returnTPromise.wrapError<ILocalExtension>(newError(nls.localize('incompatible',"Unable to install Extension '{0}' as it is not compatible with Code '{1}'.",identifier.id,pkg.version)));
returnTPromise.wrapError<void>(newError(nls.localize('incompatible',"Unable to install Extension '{0}' as it is not compatible with Code '{1}'.",identifier.id,pkg.version)));