public function preferedSupportedAndNegotiatedMediaTypes()
{
return [['text/html', [], null], ['text/plain', ['text/html', 'application/json'], null], ['application/json; charset=UTF-8', ['text/html', 'application/json'], 'application/json'], [null, ['text/plain'], 'text/plain'], ['', ['text/html', 'application/json'], 'text/html'], ['application/flow, application/json', ['text/html', 'application/json'], 'application/json']];
}