docs: public Integer getAssistedQueryColumnCount(final String logicTableName) {
          if (Collections2.filter(columns, new Predicate<ColumnNode>() {
              
              @Override
              public boolean apply(final ColumnNode input) {
                  return input.getTableName().equals(logicTableName);
              }
          }).isEmpty()) {
              return 0;
          }
          return Collections2.filter(assistedQueryColumns, new Predicate<ColumnNode>() {
      
              @Override
              public boolean apply(final ColumnNode input) {
                  return input.getTableName().equals(logicTableName);
              }
          }).size();
      }