MissingValueContextException.php

<?php

namespace Drupal\Component\Plugin\Exception;


/**
 * An exception class thrown when contexts exist but are missing a value.
 */
class MissingValueContextException extends ContextException {
    
    /**
     * MissingValueContextException constructor.
     *
     * @param string[] $contexts_without_value
     *   List of contexts with missing value.
     */
    public function __construct(array $contexts_without_value = []) {
        $message = 'Required contexts without a value: ' . implode(', ', $contexts_without_value);
        parent::__construct($message);
    }

}