@Override
    boolean hasContent(LessExtendMap lessExtends ) {
        if( output.length() == 0 ) {
            return false;
        }
        if( !isConcatExtents ) {
            isConcatExtents = true;
            selectors = lessExtends.concatenateExtends( selectors, isReference );
        }
        return selectors.length > 0;
    }
@ Override boolean hasContent ( LessExtendMap lessExtends ) { if ( output . length ( ) == 0 ) { return false ; } if ( ! isConcatExtents ) { isConcatExtents = true ; selectors = lessExtends . concatenateExtends ( selectors , isReference ) ; } return selectors . length > 0 ; }
{@inheritDoc}