fix(migrations): Restore type definitions for API class used in apps

Signed-off-by: Joas Schilling <coding@schilljs.com>

lib/public/Migration/SimpleMigrationStep.php

@@ -7,6 +7,7 @@ declare(strict_types=1);
  */
 namespace OCP\Migration;
 
+use OCP\DB\ISchemaWrapper;
 use Override;
 
 /**
@@ -15,25 +16,51 @@ use Override;
  * @since 13.0.0
  */
 abstract class SimpleMigrationStep implements IMigrationStep {
+	/**
+	 * Human-readable name of the migration step
+	 *
+	 * @since 14.0.0
+	 */
 	#[Override]
 	public function name(): string {
 		return '';
 	}
 
+	/**
+	 * Human-readable description of the migration step
+	 *
+	 * @since 14.0.0
+	 */
 	#[Override]
 	public function description(): string {
 		return '';
 	}
 
+	/**
+	 * @param Closure():ISchemaWrapper $schemaClosure
+	 * @param array{tablePrefix?: string} $options
+	 * @since 13.0.0
+	 */
 	#[Override]
 	public function preSchemaChange(IOutput $output, \Closure $schemaClosure, array $options) {
 	}
 
+	/**
+	 * @param Closure():ISchemaWrapper $schemaClosure
+	 * @param array{tablePrefix?: string} $options
+	 * @return null|ISchemaWrapper
+	 * @since 13.0.0
+	 */
 	#[Override]
 	public function changeSchema(IOutput $output, \Closure $schemaClosure, array $options) {
 		return null;
 	}
 
+	/**
+	 * @param Closure():ISchemaWrapper $schemaClosure
+	 * @param array{tablePrefix?: string} $options
+	 * @since 13.0.0
+	 */
 	#[Override]
 	public function postSchemaChange(IOutput $output, \Closure $schemaClosure, array $options) {
 	}