class BasicNamespace implements NamespaceRegistry.Namespace {

    @Override
    public boolean equals( Object obj ) {
        if (obj == this) return true;
        if (obj instanceof Namespace) {
            Namespace that = (Namespace)obj;
            if (!this.namespaceUri.equals(that.getNamespaceUri())) return false;
            // if (!this.prefix.equals(that.getPrefix())) return false;
            return true;
        }
        return false;
    }

    public  BasicNamespace( String prefix,
                           String namespaceUri );

}