Function concat

frontend/public/swagger-ui-bundle.js:7168–7170

(...s)

            return concat('(?=', s, ')')
          }
          function concat(...s) {
            return s.map((s) => source(s)).join('')
          }
          function either(...s) {
            return '(' + s.map((s) => source(s)).join('|') + ')'
          }