@utilities.arguments_not_none<EOL><INDENT>def get_book_form_record(self, book_record_type):<DEDENT>
raise errors.Unimplemented()<EOL>
Gets the ``BookFormRecord`` corresponding to the given book record ``Type``.

        arg:    book_record_type (osid.type.Type): the book record type
        return: (osid.commenting.records.BookFormRecord) - the book form
                record
        raise:  NullArgument - ``book_record_type`` is ``null``
        raise:  OperationFailed - unable to complete request
        raise:  Unsupported - ``has_record_type(book_record_type)`` is
                ``false``
        *compliance: mandatory -- This method must be implemented.*