make static-analyse code

app/Models/Meal.php

@@ -4,6 +4,9 @@ namespace App\Models;
 
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\BelongsToMany;
+use Illuminate\Database\Eloquent\Relations\HasMany;
 
 /**
  * App\Models\Meal
@@ -46,24 +49,24 @@ class Meal extends Model
 
     protected $fillable = ['*'];
 
-    public function user()
+    public function user(): BelongsTo
     {
         return $this->belongsTo(User::class)->withDefault([
             'name' => 'Guest Author',
         ]);
     }
 
-    public function diary()
+    public function diary(): BelongsTo
     {
         return $this->belongsTo(Diary::class);
     }
 
-    public function portions()
+    public function portions(): HasMany
     {
         return $this->hasMany(Portion::class);
     }
 
-    public function photos()
+    public function photos(): BelongsToMany
     {
         return $this->belongsToMany(UserAttachment::class);
     }