<?php

declare(strict_types=1);

namespace Drupal\flowdrop\Constants;

/**
 * Constants for port direction identifiers.
 *
 * Used in workflow edge DTOs, node type managers, and job generation
 * to identify input/output port directions.
 *
 * @api
 */
final class PortDirection {

  public const INPUT = 'input';
  public const OUTPUT = 'output';
  public const INPUTS = 'inputs';
  public const OUTPUTS = 'outputs';

}
