docs: public final EObject ruleAbstractNegatedToken() throws RecognitionException {
          EObject current = null;
  
          EObject this_NegatedToken_0 = null;
  
          EObject this_UntilToken_1 = null;
  
  
  
          	enterRule();
  
          try {
              // InternalXtext.g:3300:2: ( (this_NegatedToken_0= ruleNegatedToken | this_UntilToken_1= ruleUntilToken ) )
              // InternalXtext.g:3301:2: (this_NegatedToken_0= ruleNegatedToken | this_UntilToken_1= ruleUntilToken )
              {
              // InternalXtext.g:3301:2: (this_NegatedToken_0= ruleNegatedToken | this_UntilToken_1= ruleUntilToken )
              int alt72=2;
              int LA72_0 = input.LA(1);
  
              if ( (LA72_0==41) ) {
                  alt72=1;
              }
              else if ( (LA72_0==43) ) {
                  alt72=2;
              }
              else {
                  NoViableAltException nvae =
                      new NoViableAltException("", 72, 0, input);
  
                  throw nvae;
              }
              switch (alt72) {
                  case 1 :
                      // InternalXtext.g:3302:3: this_NegatedToken_0= ruleNegatedToken
                      {
  
                      			newCompositeNode(grammarAccess.getAbstractNegatedTokenAccess().getNegatedTokenParserRuleCall_0());
                      		
                      pushFollow(FollowSets000.FOLLOW_2);
                      this_NegatedToken_0=ruleNegatedToken();
  
                      state._fsp--;
  
  
                      			current = this_NegatedToken_0;
                      			afterParserOrEnumRuleCall();
                      		
  
                      }
                      break;
                  case 2 :
                      // InternalXtext.g:3311:3: this_UntilToken_1= ruleUntilToken
                      {
  
                      			newCompositeNode(grammarAccess.getAbstractNegatedTokenAccess().getUntilTokenParserRuleCall_1());
                      		
                      pushFollow(FollowSets000.FOLLOW_2);
                      this_UntilToken_1=ruleUntilToken();
  
                      state._fsp--;
  
  
                      			current = this_UntilToken_1;
                      			afterParserOrEnumRuleCall();
                      		
  
                      }
                      break;
  
              }
  
  
              }
  
  
              	leaveRule();
  
          }
  
              catch (RecognitionException re) {
                  recover(input,re);
                  appendSkippedTokens();
              }
          finally {
          }
          return current;
      }