Object passed to the error callback when the socket enters the ERROR state.
NOTE This is an abstract type. Any object meeting this description can be used where this type is used.
Error code. Returns a non-zero value.
If the error was generated by the operating system, that system's error value is used. Otherwise, this value will be -1.
Overrides: FailureResponse.code
The error code of the error (potentially system-dependent).
deprecated since 3.1.0
Indicates if the operation succeeded. Returns false.
Returns false.
Overrides: FailureResponse.success