reportError abstract method
Report an error, may print the error to log or report it to stackdriver
error reporting if stackTrace
is given and running on appengine, not
localhost.
Notice that Stackdriver Error Reporting only collects errors if level
is
either LogLevel.ERROR or LogLevel.CRITICAL.
Implementation
void reportError(
LogLevel level,
Object error,
StackTrace stackTrace, {
DateTime timestamp,
});