docs: public void storeToYAML(final Properties props, final OutputStream os, final String header, final String encoding)
  			throws IOException {
  		try {
  			((PrefixedProperties) props).storeToYAML(os, header, encoding);
  		} catch (final ClassCastException err) {
  			throw new IOException(
  					"Cannot store properties JSON file - not using PrefixedProperties: " + err.getMessage());
  		}
  	}