let 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"
);

let credential = CredentialParams.manyFromConfig(config);

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