question: private FormBody bodyFromMap ( Map < String , String > map ) { FormBody . Builder formBody = new FormBody . Builder ( ) ; if ( map != null ) { for ( final Map . Entry < String , String > entrySet : map . entrySet ( ) ) { if ( entrySet . getValue ( ) != null ) { formBody . add ( entrySet . getKey ( ) , entrySet . getValue ( ) ) ; } } } return formBody . build ( ) ; }
target:  Creates a Request Body from a map of params