package Ġcom . ru u vi . station . feature . provider Ċ Ċ import Ġcom . ru u vi . station . feature . data . Feature Ċ Ċ interface ĠFeature Flag Provider Ġ{ ĊĠĠĠ Ġval Ġpriority : ĠInt ĊĠĠĠ Ġfun Ġis Feature Enabled ( feature : ĠFeature ): ĠBoolean ĊĠĠĠ Ġfun Ġhas Feature ( feature : ĠFeature ): ĠBoolean Ċ } Ċ Ċ const Ġval ĠMAX _ PRIORITY Ġ= Ġ 1 Ċ const Ġval ĠMED IUM _ PRIORITY Ġ= Ġ 2 Ċ const Ġval ĠMIN _ PRIORITY Ġ= Ġ 3