@Override
@CheckForNull
public String getLineHash() {
if (getLine() == null || hashes == null) {
return null;
}
int line = getLine();
Preconditions.checkState(
line <= hashes.length(),
"Invalid line number for issue %s. File has only %s line(s)",
this,
hashes.length());
return hashes.getHash(line);
}
