code: public static <TItem> Bson lte(final String fieldName, final TItem value) {
          return new OperatorFilter<TItem>("$lte", fieldName, value);
      }
docs: Creates a filter that matches all documents where the value of the given field is less than or equal to the specified value.
  
  @param fieldName the field name
  @param value     the value
  @param <TItem>   the value type
  @return the filter
  @mongodb.driver.manual reference/operator/query/lte $lte