package Ġcom . s ug art own 0 2 . gold f inger console . domain . model Ċ Ċ import Ġcom . fasterxml . jackson . annotation . JsonIgnore Properties Ċ import Ġcom . fasterxml . jackson . databind . Property Naming Str ategies Ċ import Ġcom . fasterxml . jackson . databind . annotation . Json Naming Ċ Ċ type alias ĠOrder Books Ġ= ĠList < Order Book > Ċ Ċ @ Json Naming ( Property Naming Str ategies . Snake Case Strategy :: class ) Ċ @ JsonIgnore Properties ( ignore Unknown Ġ= Ġtrue ) Ċ data Ġclass ĠOrder Book ( ĊĠĠĠ Ġval Ġmarket : ĠString , ĊĠĠĠ Ġval Ġtimestamp : ĠLong , ĊĠĠĠ Ġval Ġtotal Ask Size : ĠDouble , ĊĠĠĠ Ġval Ġtotal Bid Size : ĠDouble , ĊĠĠĠ Ġval Ġorder book Units : ĠList < Order Book Unit >? Ċ ) Ċ Ċ @ Json Naming ( Property Naming Str ategies . Snake Case Strategy :: class ) Ċ @ JsonIgnore Properties ( ignore Unknown Ġ= Ġtrue ) Ċ data Ġclass ĠOrder Book Unit ( ĊĠĠĠ Ġval Ġask Price : ĠDouble , ĊĠĠĠ Ġval Ġbid Price : ĠDouble , ĊĠĠĠ Ġval Ġask Size : ĠDouble , ĊĠĠĠ Ġval Ġbid Size : ĠDouble Ċ ) Ċ