_t = __t2040;
_t = __t2041;
	public final void namespace_prefix(AST _t) throws RecognitionException {				AST namespace_prefix_AST_in = (_t == ASTNULL) ? null : (AST)_t;				AST __t2040 = _t;		AST tmp1005_AST_in = (AST)_t;		match(_t,NAMESPACEPREFIX);		_t = _t.getFirstChild();		constant(_t);		_t = _retTree;		_t = __t2040;		_t = _t.getNextSibling();		_retTree = _t;	}