var connection = ConnectionParams();

connection.setDiscoveryKey('discovery key 1');
connection.setHost('localhost');
connection.setPort(8080);
connection.setProtocol('http');
connection.setUri('abc.com');

print(connection);  // Returns {'discovery_key': 'discovery key 1', 'host': 'localhost', 'port': '8080', 'protocol': 'http', 'uri': 'abc.com'}