public class Var implements Comparable<Var> {

        private String string, replace;
        private List<Type> types;

        public Var(String string, String replace, List<Type> types) {
            this.string = string;
            this.replace = replace;
            this.types = types;
        }

        public String getKey() {
            return string;
        }

        public String getReplace() {
            return replace;
        }

        public boolean canUse(Type type) {
            return types.contains(type);
        }

        @Override
        public int compareTo(Var var) {
            if (var == null)
                return 1;
            return var.getKey().equals(this.getKey()) ? 0 : 1;
        }
    }