push

var (
	ErrPayloadEmpty    = errors.New("the message payload was empty")
	ErrPayloadTooLarge = errors.New("the message payload was too large")

	ErrMissingDeviceToken = errors.New("device token was not specified")
	ErrBadDeviceToken     = errors.New("bad device token")
	ErrTooManyRequests    = errors.New("too many requests were made consecutively to the same device token")

	ErrBadMessageID      = errors.New("the ID header value is bad")
	ErrBadExpirationDate = errors.New("the Expiration header value is bad")
	ErrBadPriority       = errors.New("the apns-priority value is bad")
	ErrBadTopic          = errors.New("the Topic header was invalid")

	ErrBadCertificate            = errors.New("the certificate was bad")
	ErrBadCertificateEnvironment = errors.New("certificate was for the wrong environment")
	ErrForbidden                 = errors.New("there was an error with the certificate")

	ErrMissingTopic           = errors.New("the Topic header of the request was not specified and was required")
	ErrTopicDisallowed        = errors.New("pushing to this topic is not allowed")
	ErrUnregistered           = errors.New("device token is inactive for the specified topic")
	ErrDeviceTokenNotForTopic = errors.New("device token does not match the specified topic")

	ErrDuplicateHeaders = errors.New("one or more headers were repeated")
	ErrBadPath          = errors.New("the request contained a bad :path")
	ErrMethodNotAllowed = errors.New("the specified :method was not POST")

	ErrIdleTimeout         = errors.New("idle time out")
	ErrShutdown            = errors.New("the server is shutting down")
	ErrInternalServerError = errors.New("an internal server error occurred")
	ErrServiceUnavailable  = errors.New("the service is unavailable")

	ErrBadRequest = errors.New("bad request")
	ErrUnknown    = errors.New("unknown error")
)