allReadySync method
Returns if all async Singletons are ready without waiting
if allReady should not wait for the completion of async Signletons set
ignorePendingAsyncCreation==true
Implementation
// ignore: avoid_positional_boolean_parameters
bool allReadySync([bool ignorePendingAsyncCreation = false]) =>
locator.allReadySync(ignorePendingAsyncCreation);