replicant-frameworks_native/vpn/java/android/net/vpn
..
IVpnService.aidl
L2tpIpsecProfile.java
L2tpIpsecPskProfile.java
L2tpProfile.java
PptpProfile.java
VpnManager.java
VpnProfile.aidl
VpnProfile.java
VpnState.java
VpnType.java