7 uses of REQUIREMENT_OK
- drupal_requirements_severity in core/
includes/ install.inc  - Extracts the highest severity from the requirements array.
 - locale_requirements in core/
modules/ locale/ locale.install  - Implements hook_requirements().
 - mysql_requirements in core/
modules/ mysql/ mysql.install  - Implements hook_requirements().
 - pgsql_requirements in core/
modules/ pgsql/ pgsql.install  - Implements hook_requirements().
 - StatusReport::preRenderGroupRequirements in core/
lib/ Drupal/ Core/ Render/ Element/ StatusReport.php  - #pre_render callback to group requirements.
 - StatusReportPage::preRenderGeneralInfo in core/
modules/ system/ src/ Element/ StatusReportPage.php  - #pre_render callback to get general info out of requirements.
 - system_requirements in core/
modules/ system/ system.install  - Implements hook_requirements().
 
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