3GPP TS 31.130 8.3.0 Annex A: USIM API for Java Card(TM)

Packages
uicc.usim.access This package provides the means for applets to get access to the files defined in the USIM,SIM and ISIM specification.
uicc.usim.geolocation  
uicc.usim.toolkit This package provides the means for the toolkit applets to register to the events defined in the USAT and STK specification , to handle TLV information and to send proactive command according to the ETSI 3GPP TS 31.111 and 3GPP TS 51.014 specification.