best practice for publishing modules that use Hiera?

[treydock]

I've begun moving some of my modules the using hiera lookups in place of parameters being defined in a host's node entry.  For data such as that I figure I can document the format of what the module expects from the yaml files, but if I use hiera to replace the typical "module::params", how do I include that in a published module?  All the docs I've seen seem to show using paths for hieradata that are not specific to a module.  What's the best way to publish a module that has things like package names defined through hiera?  How would someone installing such a module make the hiera yaml files distributed with the module available to hiera lookups ?

Thanks

- Trey