@Override
    public SpeedmentPredicate<ENTITY> notStartsWithIgnoreCase(String value) {
        return toEntityPredicate(e -> {
            final String str = enumToString.apply(e);
            return str != null && !str.toLowerCase()
                .startsWith(value.toLowerCase());
        });
    }
Default implementation of the {@link EnumField}-interface.

@author Emil Forslund
@since  3.0.10
runtime-parent/runtime-field/src/main/java/com/speedment/runtime/field/internal/EnumFieldImpl.java