code: public function search()
      {
          $this->console->info('Searching directory for service providers.');
  
          $sps = $this->getProviders();
  
          if (!$sps->count()) {
              $this->console->warn('No service provider file found. Nothing to install.');
  
              return [];
          }
  
          $this->console->line(
              " Found {$sps->count()} Service provider".($sps->count() > 1 ? 's' : '').'.'
          );
  
          $sps->each(function ($sp, $index) {
              $currentCount = $index + 1;
  
              $this->console->line(" $currentCount. $sp");
          });
  
          if (!$this->console->confirm('Register service providers?', true)) {
              return [];
          }
  
          $this->registered = true;
  
          return $this->getProviders()->toArray();
      }
docs: Start searching service provider in package.
  
  @return array