class ActionDispatch::ExceptionWrapper

def initialize(backtrace_cleaner, exception)
  @backtrace_cleaner = backtrace_cleaner
  @exception = exception
  @exception_class_name = @exception.class.name
  @wrapped_causes = wrapped_causes_for(exception, backtrace_cleaner)
  expand_backtrace if exception.is_a?(SyntaxError) || exception.cause.is_a?(SyntaxError)
end