"""The main API for the v4 notebook format."""

# Copyright (c) IPython Development Team.
# Distributed under the terms of the Modified BSD License.

from .nbbase import (
    NotebookNode,
    nbformat, nbformat_minor, nbformat_schema,
)

from .compose import (
    new_code_cell, new_heading_cell, new_markdown_cell, new_notebook,
    new_output,
)

from .nbjson import reads as reads_json, writes as writes_json
from .nbjson import reads as read_json, writes as write_json
from .nbjson import to_notebook as to_notebook_json

from .convert import downgrade, upgrade