protected NodeStorageSchema::getEntitySchema(ContentEntityTypeInterface $entity_type, $reset = FALSE)
Gets the entity schema for the specified entity type.
Entity types may override this method in order to optimize the generated schema of the entity tables. However, only cross-field optimizations should be added here; e.g., an index spanning multiple fields. Optimizations that apply to a single field have to be added via SqlContentEntityStorageSchema::getSharedTableFieldSchema() instead.
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