constant REQUIREMENT_INFO

hook_requirements in core/lib/Drupal/Core/Extension/module.api.php

Check installation requirements and do status reporting.

hook_requirements_alter in core/lib/Drupal/Core/Extension/module.api.php

Alters requirements data.

jsonapi_requirements in core/modules/jsonapi/jsonapi.install

Implements hook_requirements().

locale_requirements in core/modules/locale/locale.install

Implements hook_requirements().

ProjectSecurityRequirement::getDateEndRequirement in core/modules/update/src/ProjectSecurityRequirement.php

Gets the security coverage requirement based on an end date.

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