ContextDefinitionInterface.php

<?php

namespace Drupal\Core\Plugin\Context;

use Drupal\Component\Plugin\Context\ContextDefinitionInterface as ComponentContextDefinitionInterface;

/**
 * Interface to define definition objects in ContextInterface via TypedData.
 *
 * @see \Drupal\Component\Plugin\Context\ContextDefinitionInterface
 * @see \Drupal\Core\Plugin\Context\ContextInterface
 */
interface ContextDefinitionInterface extends ComponentContextDefinitionInterface {
    
    /**
     * Returns the data definition of the defined context.
     *
     * @return \Drupal\Core\TypedData\DataDefinitionInterface
     *   The data definition object.
     */
    public function getDataDefinition();
    
    /**
     * Determines if this definition is satisfied by a context object.
     *
     * @param \Drupal\Core\Plugin\Context\ContextInterface $context
     *   The context object.
     *
     * @return bool
     *   TRUE if this definition is satisfiable by the context object, FALSE
     *   otherwise.
     */
    public function isSatisfiedBy(ContextInterface $context);

}