public static SingletonPredictionContext create(PredictionContext parent, int returnState) {if ( returnState == EMPTY_RETURN_STATE && parent == null ) {return EMPTY;}return new SingletonPredictionContext(parent, returnState);}
public static PredictionContext Create(PredictionContext parent, int returnState){if (returnState == EMPTY_RETURN_STATE && parent == null){return PredictionContext.EMPTY;}return new SingletonPredictionContext(parent, returnState);}