Make Mapper and Map more immutable
Make Mapper and Map more immutable

kota/ObjectMapper,preetipantnagar1989/ObjectMapper,preetipantnagar1989/ObjectMapper,rodrigo-lima/ObjectMapper,rodrigo-lima/ObjectMapper,perrychen901105/ObjectMapper,nbarnold01/ObjectMapper,msdgwzhy6/ObjectMapper,BlackcombSoftware/ObjectMapper,rodrigo-lima/ObjectMapper,baydet/ObjectMapper,tuanphung/ObjectMapper,tonyli508/ObjectMapperDeep,msdgwzhy6/ObjectMapper,bscarano/ObjectMapper,Hearst-DD/ObjectMapper,gunosy/ObjectMapper,Busta117/ObjectMapper,bscarano/ObjectMapper,perrychen901105/ObjectMapper,Torsph/ObjectMapper,ldiqual/ObjectMapper,stephanecopin/ObjectMapper,tuanphung/ObjectMapper,ldiqual/ObjectMapper,tuanphung/ObjectMapper,Hearst-DD/ObjectMapper,darekxan/ObjectMapper,tanikawa-y/ObjectMapper,zhaoguohui/ObjectMapper,darekxan/ObjectMapper,teamcarma/IOS-ObjectMapperDeep,Busta117/ObjectMapper,csjlengxiang/ObjectMapper,msfeldstein/ObjectMapper,teamcarma/IOS-ObjectMapperDeep,fullstackclub/ObjectMapper,yoshinorisano/ObjectMapper,skywinder/ObjectMapper,msdgwzhy6/ObjectMapper,msfeldstein/ObjectMapper,CINEPASS/ObjectMapper,preetipantnagar1989/ObjectMapper,cfraz89/ObjectMapper,adachic/ObjectMapper,ldiqual/ObjectMapper,tomco/ObjectMapper,kota/ObjectMapper,stephanecopin/ObjectMapper,tonyli508/ObjectMapperDeep,teamcarma/IOS-ObjectMapperDeep,gunosy/ObjectMapper,Torsph/ObjectMapper,csjlengxiang/ObjectMapper,kota/ObjectMapper,cfraz89/ObjectMapper,nbarnold01/ObjectMapper,tomco/ObjectMapper,CINEPASS/ObjectMapper,skywinder/ObjectMapper,baydet/ObjectMapper,goodwall/ObjectMapper,tomco/ObjectMapper,perrychen901105/ObjectMapper,adachic/ObjectMapper,RyanCodes/ObjectMapper,ken0nek/ObjectMapper,goodwall/ObjectMapper,hsavit1/ObjectMapper,hsavit1/ObjectMapper,nbarnold01/ObjectMapper,darekxan/ObjectMapper,ikesyo/ObjectMapper,yoshinorisano/ObjectMapper,msfeldstein/ObjectMapper,fullstackclub/ObjectMapper,skywinder/ObjectMapper,fullstackclub/ObjectMapper,adachic/ObjectMapper,zhaoguohui/ObjectMapper,gunosy/ObjectMapper,ikesyo/ObjectMapper,stephanecopin/ObjectMapper,ken0nek/ObjectMapper,Torsph/ObjectMapper,tanikawa-y/ObjectMapper,RyanCodes/ObjectMapper,RyanCodes/ObjectMapper,BlackcombSoftware/ObjectMapper