566 …Array(v)&&(f.type='list')}f.type&&u.push(f)}return u.length?{context:l.walkContext,fields:u}:null}…
577 …' '),this.node(t.prelude)),t.block?this.node(t.block):this.chunk(';')},walkContext:'atrule'}}),571…  property
579 …ocationFromList(l),children:l}},generate:function(t){this.children(t)},walkContext:'atrulePrelude'…  property
581 …unction(t){'Declaration'===t.type&&this.chunk(';')})),this.chunk('}')},walkContext:'block'}}),575,…  property
588 ….important&&this.chunk(!0===t.important?'!important':'!'+t.important)},walkContext:'declaration'}}…  property
591 …){this.chunk(t.name),this.chunk('('),this.children(t),this.chunk(')')},walkContext:'function'}}),5…  property
603 …null!==t.children&&(this.chunk('('),this.children(t),this.chunk(')'))},walkContext:'function'}}),5…  property
604 …null!==t.children&&(this.chunk('('),this.children(t),this.chunk(')'))},walkContext:'function'}}),5…  property
606 …lock:n}},generate:function(t){this.node(t.prelude),this.node(t.block)},walkContext:'rule'}}),600,[…  property
608 …},generate:function(t){this.children(t,(function(){this.chunk(',')}))},walkContext:'selector'}}),6…  property
610 …canner.tokenStart),children:C}},generate:function(t){this.children(t)},walkContext:'stylesheet'}})…  property