code: public Filter<T> lessThanOrEqualTo(T value) {
  		return new ComparableFilter<T>(this, value, Operator.LESS_THAN_OR_EQUAL_TO);
  	}
docs: Creates a {@code Filter} to indicate whether this property is less than
  or equal to the specified value or not (&lt;=).
  
  @param value The value to be evaluated.
  @return The {@code Filter} to indicate whether this property is less than
  or equal to the specified value or not.