private void loadMap() {
actions.put(StepType.METHOD_CALL, new MethodCallAction());
actions.put(StepType.ASSIGNMENT, new AssignmentAction());
actions.put(StepType.UNDEFINED , new NullAction());
actions.put(StepType.TEST_CONDITIONAL, new TestConditionalAction());
actions.put(StepType.TEST_LOOP, new TestLoopAction());
actions.put(StepType.METHOD_RETURN, new MethodReturnAction());
}