if (parent instanceof SuperMethodInvocation) return ((SuperMethodInvocation)parent).arguments().indexOf(node);
	private static int getArgumentIndexInInvocation(ASTNode node){		ASTNode parent= node.getParent();		Assert.isTrue(isInvocation(parent));		if (parent instanceof MethodInvocation)			return ((MethodInvocation)parent).arguments().indexOf(node);		else if (parent instanceof ConstructorInvocation)				return ((ConstructorInvocation)parent).arguments().indexOf(node);		else if (parent instanceof ClassInstanceCreation)			return ((ClassInstanceCreation)parent).arguments().indexOf(node);		else				return ((SuperConstructorInvocation)parent).arguments().indexOf(node);	}