contains
Checks whether a friend with the given username exists.
The comparison is case-insensitive.
Return
true if the friend list contains a friend with this name, otherwise false
Parameters
username
the username to check
Checks whether a friend with the given UUID exists.
Return
true if the friend list contains a friend with this UUID, otherwise false
Parameters
uuid
the UUID to check
Checks whether the given friend entry is present in the friend list.
Return
true if this entry is contained in the friend list, otherwise false
Parameters
name
the friend entry to check