public BindingTypePattern(FormalBinding binding, boolean isVarArgs) { this(binding.getType(), binding.getIndex(),isVarArgs);
public BindingTypePattern(TypeX type, int index,boolean isVarArgs) { super(type, false,isVarArgs); this.formalIndex = index;
	public BindingTypePattern(FormalBinding binding, boolean isVarArgs) {		this(binding.getType(), binding.getIndex(),isVarArgs);	}