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- <?php
- namespace Drupal\Core\Render\Placeholder;
- /**
- * Provides an interface for defining a placeholder strategy service.
- */
- interface PlaceholderStrategyInterface {
- /**
- * Processes placeholders to render them with different strategies.
- *
- * @param array $placeholders
- * The placeholders to process, with the keys being the markup for the
- * placeholders and the values the corresponding render array describing the
- * data to be rendered.
- *
- * @return array
- * The resulting placeholders, with a subset of the keys of $placeholders
- * (and those being the markup for the placeholders) but with the
- * corresponding render array being potentially modified to render e.g. an
- * ESI or BigPipe placeholder.
- */
- public function processPlaceholders(array $placeholders);
- }
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