wffweb/src/main/java/com/webfirmframework/wffweb/tag/repository/TagRepository.java
public Collection<AbstractAttribute> findAttributesByAttributeFilter(
            final Predicate<? super AbstractAttribute> filter)
            throws NullValueException {

        return findAttributesByAttributeFilter(false, filter);
    }
public Collection<AbstractAttribute> findAttributesByAttributeFilter(
            final Predicate<? super AbstractAttribute> filter)
            throws NullValueException {

        return findAttributesByAttributeFilter(false, filter);
    }
Finds and returns the collection of attributes (including from nested
tags) of the tags filtered by the given filter


@param filter
the filter lambda expression containing return true to
include and false to exclude.
@return the collection of attributes by the given filter.
@throws NullValueException
if the {@code tagName} is null
@since 3.0.0
@author WFF