default SpeedmentPredicate<ENTITY> notStartsWith(String value) {
        return startsWith(value).negate();
    }
Returns a {@link java.util.function.Predicate} that will evaluate to
{@code true}, if and only if this Field <em>not starts with</em> the
given value.

@param value to compare
@return a Predicate that will evaluate to {@code true}, if and only if
this Field <em>not starts with</em> the given value

@see String#startsWith(java.lang.String)
runtime-parent/runtime-field/src/main/java/com/speedment/runtime/field/trait/HasStringOperators.java