Minimum modules with one source (or even zero sources) work, but aren't particularly useful.
If you are using the included XML noise configuration system, Minimum modules can be declared as
<minimum> ...source modules... </minimum>
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* @throws BuilderException * if any of the source modules throws an exception. * @see ModuleBuilder#createModule() */ public Minimum createModule () throws BuilderException { return new Minimum (createSources ()); }