{"ast":null,"code":"var util = require('util');\n\nvar Stream = require('stream').Stream;\n\nvar DelayedStream = require('delayed-stream');\n\nmodule.exports = CombinedStream;\n\nfunction CombinedStream() {\n  this.writable = false;\n  this.readable = true;\n  this.dataSize = 0;\n  this.maxDataSize = 2 * 1024 * 1024;\n  this.pauseStreams = true;\n  this._released = false;\n  this._streams = [];\n  this._currentStream = null;\n  this._insideLoop = false;\n  this._pendingNext = false;\n}\n\nutil.inherits(CombinedStream, Stream);\n\nCombinedStream.create = function (options) {\n  var combinedStream = new this();\n  options = options || {};\n\n  for (var option in options) {\n    combinedStream[option] = options[option];\n  }\n\n  return combinedStream;\n};\n\nCombinedStream.isStreamLike = function (stream) {\n  return typeof stream !== 'function' && typeof stream !== 'string' && typeof stream !== 'boolean' && typeof stream !== 'number' && 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