public Identifier extractPartAfterLastDot() {
    String part = BaseUtils.extractPartAfterLastDot(identifier());
    return Identifier.create(
        part, location().offsetStartCol(identifier().length() - part.length()));
  }
public Identifier extractPartAfterLastDot ( ) { String part = BaseUtils . extractPartAfterLastDot ( identifier ( ) ) ; return Identifier . create ( part , location ( ) . offsetStartCol ( identifier ( ) . length ( ) - part . length ( ) ) ) ; }
Gets the part after the last dot in a dotted identifier. If there are no dots, returns the
whole identifier.

<p><b>Important:</b> The input must be a dotted identifier. This is not checked.