package Ġch . ve eh ait . device check . app at test . at testation Ċ Ċ import Ġch . ve eh ait . device check . app at test . receipt . Receipt Ċ import Ġjava . security . cert . X 5 0 9 Certificate Ċ Ċ /** Ċ Ġ* ĠThe Ġvalidated Ġat testation Ġcertificate Ġand Ġreceipt Ġcontained Ġin Ġthe ĠApple ĠApp ĠAt test Ġat testation Ġobject . Ċ Ġ* Ċ Ġ* Ġ@ property Ġcertificate ĠThe Ġat testation Ġcertificate . Ċ Ġ* Ġ@ property Ġreceipt ĠAn Ġinitial Ġreceipt Ġto Ġobtain Ġa Ġf raud Ġrisk Ġmetric Ġwith ĠApple 's Ġserver . Ċ Ġ* Ġ@ property ĠiOS Version ĠThe ĠiOS Ġversion Ġof Ġthe Ġdevice Ġof Ġthe Ġat tested Ġapp . ĠPlease Ġnote : Ġthis Ġproperty Ġis Ġbacked Ġby Ġa Ċ Ġ* ĠĠ ĠX . 5 0 9 Ġextension Ġvalue Ġof Ġthe Ġat testation Ġ[ certificate ] Ġwhich Ġis Ġnot Ġoffic ially Ġsupported Ġ/ Ġlack s Ġdocumentation . Ċ Ġ*/ Ċ data Ġclass ĠValid ated At testation ( ĊĠĠĠ Ġval Ġcertificate : ĠX 5 0 9 Certificate , ĊĠĠĠ Ġval Ġreceipt : ĠRe ceipt , ĊĠĠĠ Ġval ĠiOS Version : ĠString ?, Ċ ) Ċ