package Ġio . kot est . common Ċ Ċ @ Must Be Document ed Ċ @ Retention ( value Ġ= ĠAnnotation Retention . BINARY ) Ċ @ Requires Opt In ( level Ġ= ĠRequires Opt In . Level . WARNING ) Ċ annotation Ġclass ĠExperimental K ot est Ċ Ċ @ Must Be Document ed Ċ @ Retention ( value Ġ= ĠAnnotation Retention . BINARY ) Ċ @ Requires Opt In ( level Ġ= ĠRequires Opt In . Level . WARNING ) Ċ annotation Ġclass ĠDel icate K ot est Ċ Ċ /** Ċ Ġ* ĠMark s Ġa ĠK ot est Ġfeature Ġas Ġonly Ġavailable Ġon Ġthe ĠJVM Ġplatform . Ċ Ġ*/ Ċ @ Retention ( value Ġ= ĠAnnotation Retention . SOURCE ) Ċ annotation Ġclass ĠJVM Only Ċ