package Ġcom . eg m . st elli o . subscription . web Ċ Ċ import Ġjava . net . URI Ċ Ċ fun Ġsubscription NotFound Message ( subscriptionId : ĠURI ) Ġ= Ġ" Could Ġnot Ġfind Ġa Ġsubscription Ġwith Ġid Ġ$ subscriptionId " Ċ fun Ġsubscription AlreadyExists Message ( subscriptionId : ĠURI ) Ġ= Ġ" A Ġsubscription Ġwith Ġid Ġ$ subscriptionId Ġalready Ġexists " Ċ fun Ġsubscription Unauthorized Message ( subscriptionId : ĠURI ) Ġ= ĊĠĠĠ Ġ" User Ġis Ġnot Ġauthorized Ġto Ġaccess Ġsubscription Ġ$ subscriptionId " Ċ