package Ġio . homeassistant . comp anion . android . domain . authentication Ċ Ċ import Ġjava . net . URL ĊĊ Ċ interface ĠAuthentication UseCase Ġ{ ĊĊĠĠĠ Ġsuspend Ġfun Ġsave Url ( url : ĠURL ) ĊĊĠĠĠ Ġsuspend Ġfun Ġregister Authorization Code ( authorization Code : ĠString ) ĊĊĠĠĠ Ġsuspend Ġfun Ġretrieve External Authentication (): ĠString ĊĊĠĠĠ Ġsuspend Ġfun Ġre voke Session () ĊĊĠĠĠ Ġsuspend Ġfun Ġget Session State (): ĠSession State ĊĊĠĠĠ Ġsuspend Ġfun ĠgetUrl (): ĠURL ? ĊĊĠĠĠ Ġsuspend Ġfun Ġbuild Authentication Url ( callback Url : ĠString ): ĠURL Ċ Ċ }