schema with beans instead of arrays

Migration.php

@@ -1,6 +1,7 @@
 <?php
 namespace DatabaseHelper;
 
+use DatabaseHelper\beans\Schema;
 use DatabaseHelper\enums\Propagation;
 use DatabaseHelper\enums\Type;
 use InvalidArgumentException;
@@ -36,7 +37,7 @@ class Migration
 
     public function modify(string $name, Type $type, mixed $default = null, bool $isNullable = false, bool $isUnique = false): Migration {
         $this->schema->requireColumn($name);
-        if (isset($this->schema->foreignKeys[$name]))
+        if (isset($this->schema->references[$name]))
             throw new InvalidArgumentException('Referencing columns cannot be modified.');
 
         $this->schema->columns[$name] = [
@@ -62,7 +63,7 @@ class Migration
         $name = $foreignTable->primaryKey();
         $this->schema->requireColumn($name);
 
-        $this->schema->foreignKeys[$name] = [
+        $this->schema->references[$name] = [
             'name'     => $name,
             'table'    => $foreignTable->name,
             'onDelete' => $onDelete,
@@ -79,7 +80,7 @@ class Migration
         if ($this->schema->existsReference($foreignTable))
             throw new InvalidArgumentException('Foreign table is not referenced.');
 
-        unset($this->schema->foreignKeys[$name]);
+        unset($this->schema->references[$name]);
         $this->drop($name);
 
         $this->foreignKeysToDrop[] = $name;
@@ -131,7 +132,7 @@ class Migration
 
         // Process foreign keys to add.
         foreach ($this->foreignKeysToAdd as $key) {
-            $foreignKey = $this->schema->foreignKeys[$key];
+            $foreignKey = $this->schema->references[$key];
 
             $clause = "  ADD CONSTRAINT `fk_{$foreignKey['name']}`";
             $clause .= " FOREIGN KEY (`{$foreignKey['name']}`)";