Dedicated builder object

Team.php

<?php

use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\Model;

class Team extends Model
{
  public function newEloquentBuilder(Builder $builder)
  {
    return new TeamBuilder($builder);
  }
  
  public function scopeWherePrivate(Builder $builder)
  {
    $builder->where('is_public', '=', false);
    return $this;
  }
}

TeamBuilder.php

<?php

use Illuminate\Database\Eloquent\Builder;

class TeamBuilder extends Builder
{
  public function whereActive()
  {
    $this->where('is_active', '=', true);
    return $this;
  }
}

Usage:

Team::query()->whereActive()->wherePrivate();