constructor (origin, {
    path,
    method,
    body,
    headers,
    query,
    idempotent,
    blocking,
    upgrade,
    headersTimeout,
    bodyTimeout,
    reset,
    throwOnError,
    expectContinue
  }, handler) {
    if (typeof path !== 'string') {
      throw new InvalidArgumentError('path must be a string')
    } else if (
      path[0] !== '/' &&
      !(path.startsWith('http://') || path.startsWith('https://')) &&
      method !== 'CONNECT'
    ) {
      throw new InvalidArgumentError('path must be an absolute URL or start with a slash')
    } else if (invalidPathRegex.exec(path) !== null) {
      throw new InvalidArgumentError('invalid request path')
    }

    if (typeof method !== 'string') {
      throw new InvalidArgumentError('method must be a string')
    } else if (tokenRegExp.exec(method) === null) {
      throw new InvalidArgumentError('invalid request method')
    }

    if (upgrade && typeof upgrade !== 'string') {
      throw new InvalidArgumentError('upgrade must be a string')
    }

    if (headersTimeout != null && (!Number.isFinite(headersTimeout) || headersTimeout < 0)) {
      throw new InvalidArgumentError('invalid headersTimeout')
    }

    if (bodyTimeout != null && (!Number.isFinite(bodyTimeout) || bodyTimeout < 0)) {
      throw new InvalidArgumentError('invalid bodyTimeout')
    }

    if (reset != null && typeof reset !== 'boolean') {
      throw new InvalidArgumentError('invalid reset')
    }

    if (expectContinue != null && typeof expectContinue !== 'boolean') {
      throw new InvalidArgumentError('invalid expectContinue')
    }

    this.headersTimeout = headersTimeout

    this.bodyTimeout = bodyTimeout

    this.throwOnError = throwOnError === true

    this.method = method

    this.abort = null

    if (body == null) {
      this.body = null
    } else if (util.isStream(body)) {
      this.body = body

      const rState = this.body._readableState
      if (!rState || !rState.autoDestroy) {
        this.endHandler = function autoDestroy () {
          util.destroy(this)
        }
        this.body.on('end', this.endHandler)
      }

      this.errorHandler = err => {
        if (this.abort) {
          this.abort(err)
        } else {
          this.error = err
        }
      }
      this.body.on('error', this.errorHandler)
    } else if (util.isBuffer(body)) {
      this.body = body.byteLength ? body : null
    } else if (ArrayBuffer.isView(body)) {
      this.body = body.buffer.byteLength ? Buffer.from(body.buffer, body.byteOffset, body.byteLength) : null
    } else if (body instanceof ArrayBuffer) {
      this.body = body.byteLength ? Buffer.from(body) : null
    } else if (typeof body === 'string') {
      this.body = body.length ? Buffer.from(body) : null
    } else if (util.isFormDataLike(body) || util.isIterable(body) || util.isBlobLike(body)) {
      this.body = body
    } else {
      throw new InvalidArgumentError('body must be a string, a Buffer, a Readable stream, an iterable, or an async iterable')
    }

    this.completed = false

    this.aborted = false

    this.upgrade = upgrade || null

    this.path = query ? util.buildURL(path, query) : path

    this.origin = origin

    this.idempotent = idempotent == null
      ? method === 'HEAD' || method === 'GET'
      : idempotent

    this.blocking = blocking == null ? false : blocking

    this.reset = reset == null ? null : reset

    this.host = null

    this.contentLength = null

    this.contentType = null

    this.headers = ''

    // Only for H2
    this.expectContinue = expectContinue != null ? expectContinue : false

    if (Array.isArray(headers)) {
      if (headers.length % 2 !== 0) {
        throw new InvalidArgumentError('headers array must be even')
      }
      for (let i = 0; i < headers.length; i += 2) {
        processHeader(this, headers[i], headers[i + 1])
      }
    } else if (headers && typeof headers === 'object') {
      const keys = Object.keys(headers)
      for (let i = 0; i < keys.length; i++) {
        const key = keys[i]
        processHeader(this, key, headers[key])
      }
    } else if (headers != null) {
      throw new InvalidArgumentError('headers must be an object or an array')
    }

    if (util.isFormDataLike(this.body)) {
      if (util.nodeMajor < 16 || (util.nodeMajor === 16 && util.nodeMinor < 8)) {
        throw new InvalidArgumentError('Form-Data bodies are only supported in node v16.8 and newer.')
      }

      if (!extractBody) {
        extractBody = (__nccwpck_require__(8923).extractBody)
      }

      const [bodyStream, contentType] = extractBody(body)
      if (this.contentType == null) {
        this.contentType = contentType
        this.headers += `content-type: ${contentType}\r\n`
      }
      this.body = bodyStream.stream
      this.contentLength = bodyStream.length
    } else if (util.isBlobLike(body) && this.contentType == null && body.type) {
      this.contentType = body.type
      this.headers += `content-type: ${body.type}\r\n`
    }

    util.validateHandler(handler, method, upgrade)

    this.servername = util.getServerName(this.host)

    this[kHandler] = handler

    if (channels.create.hasSubscribers) {
      channels.create.publish({ request: this })
    }
  }
Matches if val contains an invalid field-vchar
 field-value    = *( field-content / obs-fold )
 field-content  = field-vchar [ 1*( SP / HTAB ) field-vchar ]
 field-vchar    = VCHAR / obs-text