code: public EntityScannerBuilder<E> addEqualFilter(String fieldName,
        Object filterValue) {
      SingleFieldEntityFilter singleFieldEntityFilter = new SingleFieldEntityFilter(
          entityMapper.getEntitySchema(), entityMapper.getEntitySerDe(),
          fieldName, filterValue, CompareFilter.CompareOp.EQUAL);
      filterList.add(singleFieldEntityFilter.getFilter());
      return this;
    }
docs: Add an Equality Filter to the Scanner, Will Filter Results Not Equal to the
  Filter Value
  
  @param fieldName
  The name of the column you want to apply the filter on
  @param filterValue
  The value for comparison
  @return EntityScannerBuilder