}
public MissingLexElement consumeSubChannelTokens(ParserError error) {
// Missing element will consume whitetokens ahead
LexElement la = lookAheadElement();
MissingLexElement missingLexElement = new MissingLexElement(la.getStartPos(), error,
la.getFullRangeStartPos(), la.relevantPrecedingSubChannelTokens);
getEnabledLexSource().advanceSubChannelTokens();
return missingLexElement;
}