vendor/symfony/intl/Symfony/Component/Intl/Resources/bin/icu.ini

   1 ; ICU data source URLs
   2 ; We use always the latest release of a major version.
   3 4.0 = http://source.icu-project.org/repos/icu/icu/tags/release-4-0-1/source
   4 4.2 = http://source.icu-project.org/repos/icu/icu/tags/release-4-2-1/source
   5 4.4 = http://source.icu-project.org/repos/icu/icu/tags/release-4-4-2/source
   6 4.6 = http://source.icu-project.org/repos/icu/icu/tags/release-4-6-1/source
   7 4.8 = http://source.icu-project.org/repos/icu/icu/tags/release-4-8-1-1/source
   8 49 = http://source.icu-project.org/repos/icu/icu/tags/release-49-1-2/source
   9 50 = http://source.icu-project.org/repos/icu/icu/tags/release-50-1-2/source