/**
* Fixes the error with the appropriate command
*
* @return The command to fix the error
*/
public Command getFix() {
if (tester == null || !tester.isFixable(this) || primitives.isEmpty()) return null;
return tester.fixError(this);
}
/**
* Returns true if the error can be fixed automatically
*
* @return true if the error can be fixed
*/
public boolean isFixable() {
return tester != null && tester.isFixable(this);
}