package Ġcom . alex zh . co ff eed rink s . data Ċ Ċ import Ġkotlinx . coroutines . flow . Flow Ċ Ċ interface ĠC offee Dr ink Repository Ġ{ ĊĊĠĠĠ Ġsuspend Ġfun ĠgetC offee Dr inks (): ĠFlow < List < C offee Dr ink >> ĊĊĠĠĠ Ġsuspend Ġfun ĠgetC offee Dr ink ( id : ĠLong ): ĠFlow < C offee Dr ink ?> ĊĊĠĠĠ Ġsuspend Ġfun Ġupdate F avour ite State ( id : ĠLong , Ġnew F avour ite State : ĠBoolean ): ĠFlow < Boolean > Ċ } Ċ