code: public void addPasswordField(int tabIndex, String fieldLabel, String value) {
  		addTextComponent(tabIndex, new JPasswordField(), fieldLabel, value);
  	}
docs: Adds a {@link JPasswordField} field to the tab with the given index, with the given label and, optionally, the given
  value.
  
  @param tabIndex the index of the tab
  @param fieldLabel the label of the field
  @param value the value of the field, might be {@code null}
  @throws IllegalArgumentException if the dialogue is not a tabbed dialogue or if the index does not correspond to an
  existing tab
  @since 2.6.0
  @see #addPasswordField(String, String)
  @see #getPasswordValue(String)