Starting Feb. 13th 2017, container-interop is officially deprecated in favor of PSR-11.
Given that ContainerInterop's README starts off with the statement above, then it makes sense to deprecate the package in favour of Psr\Container\ContainerInterface, which this change does.
Given that ContainerInterop's README starts off with the statement above, then it makes sense to deprecate the package in favour of
Psr\Container\ContainerInterface
, which this change does.