docs: public final QueryParser.greater_return greater() throws RecognitionException {
          QueryParser.greater_return retval = new QueryParser.greater_return();
          retval.start = input.LT(1);
  
          CommonTree root_0 = null;
  
          Token WS56=null;
          Token GREATER57=null;
          Token WS58=null;
          QueryParser.field_return field55 = null;
  
          QueryParser.value_return value59 = null;
  
  
          CommonTree WS56_tree=null;
          CommonTree GREATER57_tree=null;
          CommonTree WS58_tree=null;
  
          try {
              // src/riemann/Query.g:60:9: ( field ( WS )* GREATER ( WS )* value )
              // src/riemann/Query.g:60:11: field ( WS )* GREATER ( WS )* value
              {
              root_0 = (CommonTree)adaptor.nil();
  
              pushFollow(FOLLOW_field_in_greater431);
              field55=field();
  
              state._fsp--;
  
              adaptor.addChild(root_0, field55.getTree());
              // src/riemann/Query.g:60:17: ( WS )*
              loop21:
              do {
                  int alt21=2;
                  int LA21_0 = input.LA(1);
  
                  if ( (LA21_0==WS) ) {
                      alt21=1;
                  }
  
  
                  switch (alt21) {
              	case 1 :
              	    // src/riemann/Query.g:60:17: WS
              	    {
              	    WS56=(Token)match(input,WS,FOLLOW_WS_in_greater433); 
              	    WS56_tree = (CommonTree)adaptor.create(WS56);
              	    adaptor.addChild(root_0, WS56_tree);
  
  
              	    }
              	    break;
  
              	default :
              	    break loop21;
                  }
              } while (true);
  
              GREATER57=(Token)match(input,GREATER,FOLLOW_GREATER_in_greater436); 
              GREATER57_tree = (CommonTree)adaptor.create(GREATER57);
              root_0 = (CommonTree)adaptor.becomeRoot(GREATER57_tree, root_0);
  
              // src/riemann/Query.g:60:30: ( WS )*
              loop22:
              do {
                  int alt22=2;
                  int LA22_0 = input.LA(1);
  
                  if ( (LA22_0==WS) ) {
                      alt22=1;
                  }
  
  
                  switch (alt22) {
              	case 1 :
              	    // src/riemann/Query.g:60:30: WS
              	    {
              	    WS58=(Token)match(input,WS,FOLLOW_WS_in_greater439); 
              	    WS58_tree = (CommonTree)adaptor.create(WS58);
              	    adaptor.addChild(root_0, WS58_tree);
  
  
              	    }
              	    break;
  
              	default :
              	    break loop22;
                  }
              } while (true);
  
              pushFollow(FOLLOW_value_in_greater442);
              value59=value();
  
              state._fsp--;
  
              adaptor.addChild(root_0, value59.getTree());
  
              }
  
              retval.stop = input.LT(-1);
  
              retval.tree = (CommonTree)adaptor.rulePostProcessing(root_0);
              adaptor.setTokenBoundaries(retval.tree, retval.start, retval.stop);
  
          }
          catch (RecognitionException re) {
              reportError(re);
              recover(input,re);
      	retval.tree = (CommonTree)adaptor.errorNode(input, retval.start, input.LT(-1), re);
  
          }
          finally {
          }
          return retval;
      }