80     def insertBefore(self, newChild, refChild):  argument
81         if newChild.nodeType == self.DOCUMENT_FRAGMENT_NODE:
82             for c in tuple(newChild.childNodes):
85             return newChild
86         if newChild.nodeType not in self._child_node_types:
88                 "%s cannot be child of %s" % (repr(newChild), repr(self)))
89         if newChild.parentNode is not None:
90             newChild.parentNode.removeChild(newChild)
92             self.appendChild(newChild)
98             if newChild.nodeType in _nodeTypes_with_children:
100             self.childNodes.insert(index, newChild)
101             newChild.nextSibling = refChild
102             refChild.previousSibling = newChild
105                 node.nextSibling = newChild
106                 newChild.previousSibling = node
108                 newChild.previousSibling = None
109             newChild.parentNode = self
110         return newChild
129     def replaceChild(self, newChild, oldChild):  argument
130         if newChild.nodeType == self.DOCUMENT_FRAGMENT_NODE:
133             return self.insertBefore(newChild, refChild)
134         if newChild.nodeType not in self._child_node_types:
136                 "%s cannot be child of %s" % (repr(newChild), repr(self)))
137         if newChild is oldChild:
139         if newChild.parentNode is not None:
140             newChild.parentNode.removeChild(newChild)
145         self.childNodes[index] = newChild
146         newChild.parentNode = self
148         if (newChild.nodeType in _nodeTypes_with_children
151         newChild.nextSibling = oldChild.nextSibling
152         newChild.previousSibling = oldChild.previousSibling
155         if newChild.previousSibling:
156             newChild.previousSibling.nextSibling = newChild
157         if newChild.nextSibling:
158             newChild.nextSibling.previousSibling = newChild
890     def insertBefore(self, newChild, refChild):  argument
902     def replaceChild(self, newChild, oldChild):  argument
1320     def appendChild(self, newChild):  argument
1324     def insertBefore(self, newChild, refChild):  argument
1332     def replaceChild(self, newChild, oldChild):  argument