content_type: The value for the Content-Type header.
content: The body of the response, given as a single-element character vector (will be encoded as UTF-8) or a raw vector.
headers: A named list of additional headers to include. Do not include Content-Length (as it is automatically calculated) or Content-Type (the content_type argument is used instead).
Examples
httpResponse(status =405L, content_type ="text/plain", content ="The requested method was not allowed")