package Ġcom . github . ab hr p . crypto graph . domain . repository Ċ Ċ import Ġcom . github . ab hr p . crypto graph . domain . model . Chart Item Ċ import Ġcom . github . ab hr p . crypto graph . domain . model . Chart Preference Ċ import Ġio . reactivex . Comp letable Ċ Ċ import Ġio . reactivex . Single Ċ Ċ interface ĠChart s Repository Ġ{ ĊĠĠĠ Ġfun Ġget Charts ( time Span : ĠString , Ġforce Refresh : ĠBoolean ): ĠSingle < List < Chart Item >> ĊĊĠĠĠ Ġfun Ġget Charts Preference (): ĠSingle < Chart Preference > ĊĊĠĠĠ Ġfun Ġset Charts Preference ( chart Preference : ĠChart Preference ): ĠComp letable Ċ }