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[yaffs-website] / web / core / lib / Drupal / Core / TypedData / ComplexDataDefinitionInterface.php

diff --git a/web/core/lib/Drupal/Core/TypedData/ComplexDataDefinitionInterface.php b/web/core/lib/Drupal/Core/TypedData/ComplexDataDefinitionInterface.php
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+++ b/web/core/lib/Drupal/Core/TypedData/ComplexDataDefinitionInterface.php
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+<?php
+
+namespace Drupal\Core\TypedData;
+
+/**
+ * Interface for complex data definitions.
+ *
+ * @see \Drupal\Core\TypedData\ComplexDataInterface
+ *
+ * @ingroup typed_data
+ */
+interface ComplexDataDefinitionInterface extends DataDefinitionInterface {
+
+  /**
+   * Gets the definition of a contained property.
+   *
+   * @param string $name
+   *   The name of property.
+   *
+   * @return \Drupal\Core\TypedData\DataDefinitionInterface|null
+   *   The definition of the property or NULL if the property does not exist.
+   */
+  public function getPropertyDefinition($name);
+
+  /**
+   * Gets an array of property definitions of contained properties.
+   *
+   * @return \Drupal\Core\TypedData\DataDefinitionInterface[]
+   *   An array of property definitions of contained properties, keyed by
+   *   property name.
+   */
+  public function getPropertyDefinitions();
+
+  /**
+   * Returns the name of the main property, if any.
+   *
+   * Some field items consist mainly of one main property, e.g. the value of a
+   * text field or the @code target_id @endcode of an entity reference. If the
+   * field item has no main property, the method returns NULL.
+   *
+   * @return string|null
+   *   The name of the value property, or NULL if there is none.
+   */
+  public function getMainPropertyName();
+
+}