var config = ConfigParams.fromTuples([
  // use connection if one connection and connections if more than one connection
  'connections.connection1.uri', 'http://www.example1.com',
  'connections.connection1.protocol', 'http',
  'connections.connection1.host', 'host152',
  'connections.connection1.my_conn_parameter', 'value1',
  'connections.connection2.uri', 'http://www.example2.com',
  'connections.connection2.protocol', 'http',
  'connections.connection2.host', 'host153',
  'connections.connection2.my_conn_parameter', 'value3',
  // use credential if one credential and credentials if more than one credential
  'credentials.database1.username', 'user1',
  'credentials.database1.password', 'userpass123',
  'credentials.database2.username', 'user2',
  'credentials.database2.password', 'userpass457',
  'credentials.database2.my_custom_credential_param', 'myvalue'
]);

var credential = CredentialParams.manyFromConfig(config);

// Returns [{'username': 'user1', 'password': 'userpass123'}, {'username': 'user2',  'password': 'userpass457','my_custom_credential_param': 'myvalue'}]