fromme
--- a/core/modules/migrate/src/Plugin/Migration.php
+++ b/core/modules/migrate/src/Plugin/Migration.php
      [$this->migrationPluginManager, 'expandPluginIds'],
      $this->migration_dependencies
    );
  }
-   * @param bool $expand
-   *   Set TRUE if migration dependencies need to be expanded, otherwise FALSE.
-   *
-   * @return array
-   *   The dependencies for this migration.
-   */
-  public function getMigrationDependencies(bool $expand = FALSE) {
-    $this->migration_dependencies = ($this->migration_dependencies ?: []) + ['required' => [], 'optional' => []];
-    if (count($this->migration_dependencies) !== 2 || !is_array($this->migration_dependencies['required']) || !is_array($this->migration_dependencies['optional'])) {
-      throw new InvalidPluginDefinitionException($this->id(), "Invalid migration dependencies configuration for migration {$this->id()}");
-    }
-    $this->migration_dependencies['optional'] = array_unique(array_merge($this->migration_dependencies['optional'], $this->findMigrationDependencies($this->process)));
-    if (!$expand) {
-      return $this->migration_dependencies;
-    }
-    return array_map(
-      [$this->migrationPluginManager, 'expandPluginIds'],
-      $this->migration_dependencies
-    );
-  }
+  /**
+   * Get the dependencies for this migration.
+   *
+   * @return array
+   *   The dependencies for this migration.
+   */
+  public function getMigrationDependencies() {
+    if (func_num_args() > 0) {
+      @trigger_error('@TODO', E_USER_DEPRECATED);
+    }
+
+    $this->migration_dependencies = ($this->migration_dependencies ?: []) + ['required' => [], 'optional' => []];
+    if (count($this->migration_dependencies) !== 2 || !is_array($this->migration_dependencies['required']) || !is_array($this->migration_dependencies['optional'])) {
+      throw new InvalidPluginDefinitionException($this->id(), "Invalid migration dependencies configuration for migration {$this->id()}");
+    }
+    $this->migration_dependencies['optional'] = array_unique(array_merge($this->migration_dependencies['optional'], $this->findMigrationDependencies($this->process)));
+
+    return array_map(
+      [$this->migrationPluginManager, 'expandPluginIds'],
+      $this->migration_dependencies
+    );
+  }
--- a/core/modules/migrate/src/Plugin/Migration.php
+++ b/core/modules/migrate/src/Plugin/Migration.php
   *
-   * @param bool $expand
-   *   Will issue a deprecation in Drupal 10 if set to FALSE. See
-   *   https://www.drupal.org/node/3266691.
-   *
   * @return array
-   *   The dependencies for this migrations.
+   *   The dependencies for this migration.
   */
-  public function getMigrationDependencies(bool $expand = FALSE) {
-    if (!$expand) {
-      @trigger_error('Calling Migration::getMigrationDependencies() without expanding the plugin IDs is deprecated in drupal:10.1.0 and is removed from drupal:11.0.0. In most cases, use getMigrationDependencies(TRUE). See https://www.drupal.org/node/3266691', E_USER_DEPRECATED);
+  public function getMigrationDependencies() {
+    if (func_num_args() > 0) {
+      // phpcs:ignore Drupal.Semantics.FunctionTriggerError
+      @trigger_error(sprintf('Passing parameter to %s is disallowed', __METHOD__), E_USER_DEPRECATED);