package Ġcom . alex styl . special dates . contact Ċ Ċ interface ĠContact s Provider Source Ġ{ ĊĊĠĠĠ Ġval Ġall Contacts : ĠContact s ĊĊĠĠĠ Ġ@ Throws ( Contact NotFoundException :: class ) ĊĠĠĠ Ġfun Ġget OrCreate Contact ( contact ID : ĠLong ): ĠContact ĊĊĠĠĠ Ġfun Ġquery Contacts ( contact Ids : ĠList < Long >): ĠContact s Ċ } Ċ