index.js
function setOverrideHeader(res, name, value) {

  if (res._headers && res._headers[name] !== undefined) {
    return true;
  }

  res.setHeader(name, value);
  return true;
}
function setOverrideHeader(res, name, value) {

  if (res._headers && res._headers[name] !== undefined) {
    return true;
  }

  res.setHeader(name, value);
  return true;
}
function setOverrideHeader ( res , name , value ) { if ( res . _headers && res . _headers [ name ] !== undefined ) { return true ; } res . setHeader ( name , value ) ; return true ; }
set override header on response

@function setOverrideHeader
@param {Object} res - response to client
@param {String} name - header's name
@param {String} value - header's value
@return {Boolean}
set override header on response