code: function getFrameLocation(stackFrame) {
    var frameString = stackFrame.toString()
    var lastParenIndex = frameString.lastIndexOf('(')
    return lastParenIndex === -1 ? frameString : frameString.slice(lastParenIndex + 1, -1)
  }
docs: Creates a string representation of the location of `stackFrame` in the format `filePath:lineNumber:columnNumber`.
  
  @private
  @static
  @param {CallSite} stackFrame The stack frame.
  @returns {string} Returns the location of `stackFrame`.