An event that is raised when a request encounters an error.
alias RequestErrorEvent
{Number} [statusCode] The HTTP error status code, such as 404.
{Object} [response] The response included along with the error.
{String|Object} [responseHeaders] The response headers, represented either as an object literal or as a
string in the format returned by XMLHttpRequest's getAllResponseHeaders() function.
An event that is raised when a request encounters an error.
alias RequestErrorEvent