code: def _find_usage_vpc_links(self):
          
          logger.debug('Finding usage for VPC Links')
          link_count = 0
          paginator = self.conn.get_paginator('get_vpc_links')
          for resp in paginator.paginate():
              link_count += len(resp['items'])
          self.limits['VPC Links per account']._add_current_usage(
              link_count, aws_type='AWS::ApiGateway::VpcLink'
          )
docs: Find usage on VPC Links. Update `self.limits`.