question: removes all interfaces from the member group . if no members are in the group , the call is ignored . concode_field_sep Set<String> interfaces concode_field_sep MemberGroupConfig setInterfaces concode_elem_sep MemberGroupConfig addInterface concode_elem_sep Collection<String> getInterfaces concode_elem_sep String toString
target: MemberGroupConfig function ( ) { interfaces . clear ( ) ; return this ; }