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 | | 'use strict' |  |   |  | const check = require('check-types') |  | const BfjStream = require('./stream') |  | const util = require('util') |  |   |  | util.inherits(DataStream, BfjStream) |  |   |  | module.exports = DataStream |  |   |  | function DataStream (read, options) { |  |   if (check.not.instanceStrict(this, DataStream)) { |  |     return new DataStream(read, options) |  |   } |  |   |  |   return BfjStream.call(this, read, Object.assign({ objectMode: true }, options)) |  | } | 
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