code: protected void initializeCredentialsConfigPanel() {
  		// Initialize the credentials config panel
  		AuthenticationMethodType type = workingContext.getAuthenticationMethod().getType();
  		if (type.hasCredentialsOptionsPanel()) {
  			credentialsPanel = type.buildCredentialsOptionsPanel(configuredCredentials, workingContext);
  			fieldsPanel.add(credentialsPanel, LayoutHelper.getGBC(0, 3, 2, 1, new Insets(4, 8, 2, 4)));
  			fieldsPanel.revalidate();
  			this.pack();
  		}
  	}
docs: Initialize credentials config panel.