code: public ModuleDeps simplify(Map<?, ?> formulaCache) {
  		for (ModuleDepInfo info : values()) {
  			info.simplify(formulaCache);
  		}
  		return this;
  	}
docs: Simplifies the boolean formulas for each contained {@link ModuleDepInfo}
  
  @param formulaCache
  the formula cache
  @return this object