public RedundantBranch(Location location, int lineNumber, boolean checkedValue) {
public RedundantBranch(Location location, int lineNumber,  IsNullValue firstValue, IsNullValue secondValue) {
	public RedundantBranch(Location location, int lineNumber, boolean checkedValue) {		this.location = location;		this.lineNumber = lineNumber;		this.checkedValue = checkedValue;	}