Bug 221416 [Dialogs] button id not correct for DETAILS in MessageDialogWithToggle
bundles/org.eclipse.jface/src/org/eclipse/jface/dialogs/MessageDialogWithToggle.java
/**
     * The value of the preference when the user has asked that the answer to
     * the question always be "okay" or "yes".
     */
    public static final String ALWAYS = "always"; 
    /**
     * The value of the preference when the user has asked that the answer to
     * the question always be "no".
     */
    public static final String NEVER = "never"; 
    /**
     * The value of the preference when the user wishes to prompted for an
     * answer every time the question is to be asked.
     */
    public static final String PROMPT = "prompt"; 
    /**
     * Convenience method to open a standard error dialog.