--- /dev/null
+<?php
+
+namespace Drupal\migrate;
+
+
+interface MigrateBuildDependencyInterface {
+
+ /**
+ * Builds a dependency tree for the migrations and set their order.
+ *
+ * @param \Drupal\migrate\Plugin\MigrationInterface[] $migrations
+ * Array of loaded migrations with their declared dependencies.
+ * @param array $dynamic_ids
+ * Keys are dynamic ids (for example node:*) values are a list of loaded
+ * migration ids (for example node:page, node:article).
+ *
+ * @return array
+ * An array of migrations.
+ */
+ public function buildDependencyMigration(array $migrations, array $dynamic_ids);
+
+}