How can i switch from BIP32 to BIP44 using bitcoinj

How can i switch from BIP32 to BIP44 using bitcoinj

i am working on a wallet that is using BIP32 for creating Accounts, addresses, xpub, public keys, transaction and etc. but now i want to switch from BIP32 to BIP 44. how can i do this using bitcoinj i also study this, but there is nothing related to implementation. All i need to know that how can i implement BIP44 using bitcoinj and what is specific changes i have to do.Do i have to change all the hierarchy, if yes, then how can do this

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