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/** Used for built-in method references. */var funcProto = Function.prototype;
/** Used to resolve the decompiled source of functions. */var funcToString = funcProto.toString;
/** * Converts `func` to its source code. * * @private * @param {Function} func The function to convert. * @returns {string} Returns the source code. */function toSource(func) {  if (func != null) {    try {      return funcToString.call(func);    } catch (e) {}    try {      return (func + '');    } catch (e) {}  }  return '';}
module.exports = toSource;