--- /dev/null
+<?php
+
+namespace Drupal\ctools\Plugin;
+
+/**
+ * Provides an interface for configuring a plugin via wizard steps.
+ */
+interface PluginWizardInterface {
+
+ /**
+ * Retrieve a list of FormInterface classes by their step key in the wizard.
+ *
+ * @param mixed $cached_values
+ * The cached values used in the wizard. The plugin we're editing will
+ * always be assigned to the 'plugin' key.
+ *
+ * @return array
+ * An associative array keyed on the step name with an array value with the
+ * following keys:
+ * - title (string): Human-readable title of the step.
+ * - form (string): Fully-qualified class name of the form for this step.
+ */
+ public function getWizardOperations($cached_values);
+
+}