Github user ottobackwards commented on the issue:
https://github.com/apache/commons-lang/pull/311
Sorry @garydgregory I understood you to mean it would be optional.
So, the context of the creation of this idea is I did it for an environment
where we have optional available 'capabilities', and it is common to check and
use if present or fail if required but not present.
There is a difference between the logging example and this. I am familiar
with logging quick fail ( I implemented my own c++ streams based quick failing
logger back in the day even ), but the logger is always there, you are checking
for configuration or optionally enabled functionality ( debug logging ), where
as I wrote this for an environment where we may not have a watch at all.
I am not saying having a 'singleton' watch, with a 'do nothing' set of
default interface implementations isn't something to think about.
But things start from where you have a need usually.
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