True Myth / task / stopRetrying
Function: stopRetrying() 
stopRetrying(
message,cause?):StopRetrying
Produces the “sentinel” Error subclass StopRetrying, for use as a return value from withRetries.
Parameters 
message 
string
The message to attach to the StopRetrying instance.
cause? 
unknown
The previous cause (often another Error) that resulted in stopping retries.