HED schema management and validation tools.

.. autoclass:: hed.schema.hed_schema.HedSchema
   :members:
   :undoc-members:
   :show-inheritance:

.. autoclass:: hed.schema.hed_schema_entry.HedSchemaEntry
   :members:
   :undoc-members:
   :show-inheritance:

.. autoclass:: hed.schema.hed_schema_entry.HedTagEntry
   :members:
   :undoc-members:
   :show-inheritance:

.. autoclass:: hed.schema.hed_schema_entry.UnitClassEntry
   :members:
   :undoc-members:
   :show-inheritance:

.. autoclass:: hed.schema.hed_schema_entry.UnitEntry
   :members:
   :undoc-members:
   :show-inheritance:

.. autoclass:: hed.schema.hed_schema_group.HedSchemaGroup
   :members:
   :undoc-members:
   :show-inheritance:

.. autoclass:: hed.schema.hed_schema_section.HedSchemaSection
   :members:
   :undoc-members:
   :show-inheritance:

.. automodule:: hed.schema.hed_schema_io
   :members: load_schema, load_schema_version, from_string, get_hed_xml_version, from_dataframes
   :undoc-members:

.. automodule:: hed.schema.hed_cache
   :members: cache_xml_versions, get_hed_versions, set_cache_directory, get_cache_directory
   :undoc-members:

.. autoclass:: hed.schema.hed_schema_constants.HedKey
   :members:
   :undoc-members:
   :show-inheritance:

.. autoclass:: hed.schema.hed_schema_constants.HedSectionKey
   :members:
   :undoc-members:
   :show-inheritance: