package Ġdev . cr as ht e am . kaz an express fetcher . config . properties Ċ Ċ import Ġorg . springframework . boot . context . properties . Configuration Properties Ċ import Ġorg . springframework . boot . context . properties . Constructor Binding Ċ import Ġorg . springframework . validation . annotation . Validated Ċ import Ġjavax . validation . constraints . NotEmpty Ċ import Ġjavax . validation . constraints . NotNull Ċ Ċ @ Validated Ċ @ Constructor Binding Ċ @ Configuration Properties ( prefix Ġ= Ġ" service ") Ċ data Ġclass ĠService Properties ( ĊĠĠĠ Ġ@ field : NotNull ĊĠĠĠ Ġval Ġproxy : ĠProxy Properties ? Ġ= Ġnull , Ċ ) Ċ Ċ data Ġclass ĠProxy Properties ( ĊĠĠĠ Ġ@ field : NotEmpty ĊĠĠĠ Ġval Ġurl : ĠString ? Ġ= Ġnull , Ċ ) Ċ