7 files declare their use of RenderableInterface
- Breadcrumb.php in core/
lib/ Drupal/ Core/ Breadcrumb/ Breadcrumb.php  - ExampleRenderable.php in core/
modules/ system/ tests/ modules/ twig_theme_test/ src/ ExampleRenderable.php  - FormattedDateDiff.php in core/
lib/ Drupal/ Core/ Datetime/ FormattedDateDiff.php  - Link.php in core/
lib/ Drupal/ Core/ Link.php  - theme.inc in core/
includes/ theme.inc  - The theme system, which controls the output of Drupal.
 - TwigExtension.php in core/
lib/ Drupal/ Core/ Template/ TwigExtension.php  - TwigExtensionTest.php in core/
tests/ Drupal/ Tests/ Core/ Template/ TwigExtensionTest.php  
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