def __init__(self, dictexporter=None, **kwargs):
self.dictexporter = dictexporter<EOL>self.kwargs = kwargs<EOL>
Tree to JSON exporter.

The tree is converted to a dictionary via `dictexporter` and exported to JSON.

Keyword Arguments:
    dictexporter: Dictionary Exporter used (see :any:`DictExporter`).
    kwargs: All other arguments are passed to
            :any:`json.dump`/:any:`json.dumps`.
            See documentation for reference.

>>> from anytree import AnyNode
>>> from anytree.exporter import JsonExporter
>>> root = AnyNode(a="root")
>>> s0 = AnyNode(a="sub0", parent=root)
>>> s0a = AnyNode(a="sub0A", b="foo", parent=s0)
>>> s0b = AnyNode(a="sub0B", parent=s0)
>>> s1 = AnyNode(a="sub1", parent=root)

>>> exporter = JsonExporter(indent=2, sort_keys=True)
>>> print(exporter.export(root))
{
  "a": "root",
  "children": [
    {
      "a": "sub0",
      "children": [
        {
          "a": "sub0A",
          "b": "foo"
        },
        {
          "a": "sub0B"
        }
      ]
    },
    {
      "a": "sub1"
    }
  ]
}