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diff --git a/web/core/modules/workflows/src/WorkflowInterface.php b/web/core/modules/workflows/src/WorkflowInterface.php
index d156918a6..dc09956ec 100644
--- a/web/core/modules/workflows/src/WorkflowInterface.php
+++ b/web/core/modules/workflows/src/WorkflowInterface.php
@@ -6,270 +6,9 @@ use Drupal\Core\Config\Entity\ConfigEntityInterface;
 
 /**
  * Provides an interface for defining workflow entities.
- *
- * @internal
- *   The workflow system is currently experimental and should only be leveraged
- *   by experimental modules and development releases of contributed modules.
  */
 interface WorkflowInterface extends ConfigEntityInterface {
 
-  /**
-   * Adds a state to the workflow.
-   *
-   * @param string $state_id
-   *   The state's ID.
-   * @param string $label
-   *   The state's label.
-   *
-   * @return \Drupal\workflows\WorkflowInterface
-   *   The workflow entity.
-   */
-  public function addState($state_id, $label);
-
-  /**
-   * Determines if the workflow has a state with the provided ID.
-   *
-   * @param string $state_id
-   *   The state's ID.
-   *
-   * @return bool
-   *   TRUE if the workflow has a state with the provided ID, FALSE if not.
-   */
-  public function hasState($state_id);
-
-  /**
-   * Gets state objects for the provided state IDs.
-   *
-   * @param string[] $state_ids
-   *   A list of state IDs to get. If NULL then all states will be returned.
-   *
-   * @return \Drupal\workflows\StateInterface[]
-   *   An array of workflow states.
-   *
-   * @throws \InvalidArgumentException
-   *   Thrown if $state_ids contains a state ID that does not exist.
-   */
-  public function getStates($state_ids = NULL);
-
-  /**
-   * Gets a workflow state.
-   *
-   * @param string $state_id
-   *   The state's ID.
-   *
-   * @return \Drupal\workflows\StateInterface
-   *   The workflow state.
-   *
-   * @throws \InvalidArgumentException
-   *   Thrown if $state_id does not exist.
-   */
-  public function getState($state_id);
-
-  /**
-   * Sets a state's label.
-   *
-   * @param string $state_id
-   *   The state ID to set the label for.
-   * @param string $label
-   *   The state's label.
-   *
-   * @return \Drupal\workflows\WorkflowInterface
-   *   The workflow entity.
-   */
-  public function setStateLabel($state_id, $label);
-
-  /**
-   * Sets a state's weight value.
-   *
-   * @param string $state_id
-   *   The state ID to set the weight for.
-   * @param int $weight
-   *   The state's weight.
-   *
-   * @return \Drupal\workflows\WorkflowInterface
-   *   The workflow entity.
-   */
-  public function setStateWeight($state_id, $weight);
-
-  /**
-   * Deletes a state from the workflow.
-   *
-   * @param string $state_id
-   *   The state ID to delete.
-   *
-   * @return \Drupal\workflows\WorkflowInterface
-   *   The workflow entity.
-   *
-   * @throws \InvalidArgumentException
-   *   Thrown if $state_id does not exist.
-   */
-  public function deleteState($state_id);
-
-  /**
-   * Adds a transition to the workflow.
-   *
-   * @param string $id
-   *   The transition ID.
-   * @param string $label
-   *   The transition's label.
-   * @param array $from_state_ids
-   *   The state IDs to transition from.
-   * @param string $to_state_id
-   *   The state ID to transition to.
-   *
-   * @return \Drupal\workflows\WorkflowInterface
-   *   The workflow entity.
-   *
-   * @throws \InvalidArgumentException
-   *   Thrown if either state does not exist.
-   */
-  public function addTransition($id, $label, array $from_state_ids, $to_state_id);
-
-  /**
-   * Gets a transition object for the provided transition ID.
-   *
-   * @param string $transition_id
-   *   A transition ID.
-   *
-   * @return \Drupal\workflows\TransitionInterface
-   *   The transition.
-   *
-   * @throws \InvalidArgumentException
-   *   Thrown if $transition_id does not exist.
-   */
-  public function getTransition($transition_id);
-
-  /**
-   * Determines if a transition exists.
-   *
-   * @param string $transition_id
-   *   The transition ID.
-   *
-   * @return bool
-   *   TRUE if the transition exists, FALSE if not.
-   */
-  public function hasTransition($transition_id);
-
-  /**
-   * Gets transition objects for the provided transition IDs.
-   *
-   * @param string[] $transition_ids
-   *   A list of transition IDs to get. If NULL then all transitions will be
-   *   returned.
-   *
-   * @return \Drupal\workflows\TransitionInterface[]
-   *   An array of transition objects.
-   *
-   * @throws \InvalidArgumentException
-   *   Thrown if $transition_ids contains a transition ID that does not exist.
-   */
-  public function getTransitions(array $transition_ids = NULL);
-
-  /**
-   * Gets the transition IDs for a state for the provided direction.
-   *
-   * @param $state_id
-   *   The state to get transitions for.
-   * @param string $direction
-   *   (optional) The direction of the transition. Defaults to 'from'. Possible
-   *   values are: 'from' and 'to'.
-   *
-   * @return array
-   *   The transition IDs for a state for the provided direction.
-   */
-  public function getTransitionsForState($state_id, $direction = 'from');
-
-  /**
-   * Gets a transition from state to state.
-   *
-   * @param string $from_state_id
-   *   The state ID to transition from.
-   * @param string $to_state_id
-   *   The state ID to transition to.
-   *
-   * @return \Drupal\workflows\TransitionInterface
-   *   The transitions.
-   *
-   * @throws \InvalidArgumentException
-   *   Thrown if the transition does not exist.
-   */
-  public function getTransitionFromStateToState($from_state_id, $to_state_id);
-
-  /**
-   * Determines if a transition from state to state exists.
-   *
-   * @param string $from_state_id
-   *   The state ID to transition from.
-   * @param string $to_state_id
-   *   The state ID to transition to.
-   *
-   * @return bool
-   *   TRUE if the transition exists, FALSE if not.
-   */
-  public function hasTransitionFromStateToState($from_state_id, $to_state_id);
-
-  /**
-   * Sets a transition's label.
-   *
-   * @param string $transition_id
-   *   The transition ID.
-   * @param string $label
-   *   The transition's label.
-   *
-   * @return \Drupal\workflows\WorkflowInterface
-   *   The workflow entity.
-   *
-   * @throws \InvalidArgumentException
-   *   Thrown if the transition does not exist.
-   */
-  public function setTransitionLabel($transition_id, $label);
-
-  /**
-   * Sets a transition's weight.
-   *
-   * @param string $transition_id
-   *   The transition ID.
-   * @param int $weight
-   *   The transition's weight.
-   *
-   * @return \Drupal\workflows\WorkflowInterface
-   *   The workflow entity.
-   *
-   * @throws \InvalidArgumentException
-   *   Thrown if the transition does not exist.
-   */
-  public function setTransitionWeight($transition_id, $weight);
-
-  /**
-   * Sets a transition's from states.
-   *
-   * @param string $transition_id
-   *   The transition ID.
-   * @param array $from_state_ids
-   *   The state IDs to transition from.
-   *
-   * @return \Drupal\workflows\WorkflowInterface
-   *   The workflow entity.
-   *
-   * @throws \InvalidArgumentException
-   *   Thrown if the transition does not exist or the states do not exist.
-   */
-  public function setTransitionFromStates($transition_id, array   $from_state_ids);
-
-  /**
-   * Deletes a transition.
-   *
-   * @param string $transition_id
-   *   The transition ID.
-   *
-   * @return \Drupal\workflows\WorkflowInterface
-   *   The workflow entity.
-   *
-   * @throws \InvalidArgumentException
-   *   Thrown if the transition does not exist.
-   */
-  public function deleteTransition($transition_id);
-
   /**
    * Gets the workflow type plugin.
    *