def __init__(self, selector, declarations, line, column):
self.selector = TokenList(selector)
self.declarations = declarations
self.line = line
self.column = column
def __init__(self, name, value, priority, line, column):
self.name = name
self.value = TokenList(value)
self.priority = priority
self.line = line
self.column = column
def __init__(self, at_keyword, head, body, line, column):
self.at_keyword = at_keyword
self.head = TokenList(head)
self.body = TokenList(body) if body is not None else body
self.line = line
self.column = column
