private AbstractBackendMessage decodeParameterStatus(DecoderInputStream input) throws IOException {
Charset charset = connectionState.getBackendCharset();
String name = input.readString(charset);
String value = input.readString(charset);
ConfigurationVariable cv = ConfigurationVariable.fromName(name);
if (cv == null) {
logger.warn("No ConfigurationVariable entry for {}", name);
}
return new ParameterMessage(cv, value);
}