(self, dbfile, basepos, bytecount)
:param dbfile: a :class:`~whoosh.filedb.structfile.StructFile` object
            to read from.
        :param basepos: the base position of the bytes in the given file.
        :param bytecount: the number of bytes to use for the bit array.
:param dbfile: a :class:`~whoosh.filedb.structfile.StructFile` object
            to read from.
        :param basepos: the base position of the bytes in the given file.
        :param bytecount: the number of bytes to use for the bit array.
: param dbfile : a : class : ~whoosh . filedb . structfile . StructFile object to read from . : param basepos : the base position of the bytes in the given file . : param bytecount : the number of bytes to use for the bit array .
def __init__(self, dbfile, basepos, bytecount):
        """
        :param dbfile: a :class:`~whoosh.filedb.structfile.StructFile` object
            to read from.
        :param basepos: the base position of the bytes in the given file.
        :param bytecount: the number of bytes to use for the bit array.
        """

        self._dbfile = dbfile
        self._basepos = basepos
        self._bytecount = bytecount
def __init__ ( self , dbfile , basepos , bytecount ) : self . _dbfile = dbfile self . _basepos = basepos self . _bytecount = bytecount