code: public static final <K, V> PropertiesIterator<K, V> newPropertiesIterator( Map<K, V> properties )
  	{
  		return new PropertiesIterator<K, V>(null, properties);
  	}
docs: Creates a new iterator over a map configuration with prefixing the keys with the given prefix.
  
  @param <K> The map entry key type
  @param <V> The map entry value type
  @param properties The map configuration has to be read
  @return A map configuration iterator