private static <T> Predicate<T> not(Predicate<T> t) {
    return t.negate();
  }
Function used by the 'alter region' gfsh command to alter a region on each member.

@since GemFire 8.0
geode-gfsh/src/main/java/org/apache/geode/management/internal/cli/functions/RegionAlterFunction.java