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This is the single point of entry to generate the sample configuration
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in this package. It is assumed that:

* every other module in this package has a 'list_opts' function which
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  * the keys are strings which are the group names
  * the value of each key is a list of config options for that group
* the dmapi.conf package doesn't have further packages with config options
* this module is only used in the context of sample file generation
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