public DialogFrameworkOptions.Builder resizeObserver(boolean resizeObserver) {
            options.setResizeObserver(resizeObserver);
            return this;
        }
Use ResizeObserver to automatically adjust dialog-height after e.g. AJAX-updates.
Resizeable must be set false to use this option.
@param resizeObserver
@return
primefaces/src/main/java/org/primefaces/model/DialogFrameworkOptions.java