def __percolate_up(self, node: BinaryNode) -> None:
"""
Trickle down heap operation
"""
if node.parent and node.parent.value > node.value:
node.value, node.parent.value = node.parent.value, node.value
self.__percolate_up(node.parent)
def __percolate_down(self, node: BinaryNode) -> None:
"""
Bubble up heap operation
"""
min_child = node.get_min_child()
if min_child and min_child.value < node.value:
node.value, min_child.value = min_child.value, node.value
self.__percolate_down(min_child)