Replacement of AP_BANK_TRANSMISSION_PKG

We are upgrading from 11.5.10.2 to R12.2.9 during Retro fitment Objects we observed multiple Custom format payment Program (RDF) are using below packages in AfterReport Trigger

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AP_BANK_TRANSMISSION_PKG.call_event_transmission(:p_checkrun_id,'PAYMENT');

srw.message('21','Calling call_event_Transmission package');

AP_BANK_TRANSMISSION_PKG.raise_event(:p_checkrun_id);

srw.message('22','Raising Format Business Event');

Please suggest how we can use above using below java APIs

Thanks in Advance .

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As per Note Is AP_BANK_TRANSMISSIONS_PKG Needed In R12? (Doc ID 1300963.1)

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In R12, external banks and payment transmission is handling by IBY (Oracle Payments).