interface NodeTypeInterface

interface NodeTypeInterface extends ConfigEntityInterface, RevisionableEntityBundleInterface {
    
    /**
     * Determines whether the node type is locked.
     *
     * @return string|false
     *   The module name that locks the type or FALSE.
     */
    public function isLocked();
    
    /**
     * Sets whether a new revision should be created by default.
     *
     * @param bool $new_revision
     *   TRUE if a new revision should be created by default.
     */
    public function setNewRevision($new_revision);
    
    /**
     * Gets whether 'Submitted by' information should be shown.
     *
     * @return bool
     *   TRUE if the submitted by information should be shown.
     */
    public function displaySubmitted();
    
    /**
     * Sets whether 'Submitted by' information should be shown.
     *
     * @param bool $display_submitted
     *   TRUE if the submitted by information should be shown.
     */
    public function setDisplaySubmitted($display_submitted);
    
    /**
     * Gets the preview mode.
     *
     * @return int
     *   DRUPAL_DISABLED, DRUPAL_OPTIONAL or DRUPAL_REQUIRED.
     */
    public function getPreviewMode();
    
    /**
     * Sets the preview mode.
     *
     * @param int $preview_mode
     *   DRUPAL_DISABLED, DRUPAL_OPTIONAL or DRUPAL_REQUIRED.
     */
    public function setPreviewMode($preview_mode);
    
    /**
     * Gets the help information.
     *
     * @return string
     *   The help information of this node type.
     */
    public function getHelp();
    
    /**
     * Gets the description.
     *
     * @return string
     *   The description of this node type.
     */
    public function getDescription();

}