<?php  namespace App\Models;  use DateTimeInterface; use App\Traits\UsesUuid; use Illuminate\Database\Eloquent\Builder; use Illuminate\Database\Eloquent\Model as Eloquent; use Illuminate\Database\Eloquent\Factories\HasFactory;  abstract class Model extends Eloquent { 	use UsesUuid, HasFactory;  	protected $guarded = ['id', self::CREATED_AT, self::UPDATED_AT];  	protected $perPage = 15;  	public function scopeIncludes(Builder $query): Builder{}  	public function scopeAvailable(Builder $query): Builder{}  	public function scopeSearch(Builder $query, ?string $search = null): Builder{}  	protected function serializeDate(DateTimeInterface $date): string{}  	protected static function initObservers(): ?string 	{ 		return null; 	}  	protected static function boot(): void 	{ 		parent::boot();  		static::observe(static::initObservers() ?? []); 	} }