if (StringUtils.indexOf(this.id, "#")==1)
return StringUtils.substring(this.id, 0, 0);
else
return null;
}
<BUG>private boolean isValid() {
return hasContentId()&&hasMeta();
}</BUG>
public @Nullable ContentId getContentId() {
if (hasContentId()) {

if (StringUtils.indexOf(this.id, "#")==1)
return StringUtils.substring(this.id, 0, 0);
else
return null;
}
public @Nullable ContentId getContentId() {
if (hasContentId()) {
