package Ġcom . z av ant on . you mp 3 . download . data . download Ċ Ċ import Ġcom . z av ant on . you mp 3 . download . business . model . Event Ċ import Ġio . reactivex . Observable Ċ Ċ interface ĠID own load Repository Ġ{ ĊĊĠĠĠ Ġfun Ġdownload ( ĊĠĠĠĠĠĠĠ Ġurl Link : ĠString , ĊĠĠĠĠĠĠĠ Ġdownloads Folder : ĠString , ĊĠĠĠĠĠĠĠ Ġtarget Filename : ĠString , ĊĠĠĠĠĠĠĠ Ġvideo Extension : ĠString ĊĠĠĠ Ġ): ĠObservable < Event > Ċ }