Make some private methods "protected" to avoid users calling them.
Make some private methods "protected" to avoid users calling them.

atk4/atk4,atk4/atk4,atk4/atk4,samratcis/atk4,xepan/atk4,samratcis/atk4,samratcis/atk4,atk4/atk4,svisystem/atk4,xepan/atk4,svisystem/atk4,xepan/atk4,svisystem/atk4