private void addObjectAndNotify(NAME normalizedName, Object value, boolean notifyChange) {
        requireNonNull(value, "value");
        final int h = hashName(normalizedName);
        final int i = index(h);
        addAndNotify(h, i, normalizedName, fromObject(value), notifyChange);
    }
Only adds the specified {@code name} and {@code values}, and do not notify the changes via
{@link #onChange(CharSequence)}.
core/src/main/java/com/linecorp/armeria/common/StringMultimap.java