private static Map<String, LocalVariableProxyImpl> getVisibleVariables(
     final StackFrameProxyImpl frame) throws EvaluateException {
   final Map<String, LocalVariableProxyImpl> vars = new HashMap<String, LocalVariableProxyImpl>();
   for (LocalVariableProxyImpl localVariableProxy : frame.visibleVariables()) {
     vars.put(localVariableProxy.name(), localVariableProxy);
   }
   return vars;
 }