HTML AnalysisException.html
  HTML Column.html
  HTML ColumnName.html
  HTML DataFrame.html
  HTML DataFrameNaFunctions.html
  HTML DataFrameReader.html
  HTML DataFrameStatFunctions.html
  HTML DataFrameWriter.html
  HTML ExperimentalMethods.html
  HTML GroupedData.html
  HTML Row.html
  HTML RowFactory.html
  HTML SQLContext.html
  HTML SQLContext.implicits$.StringToColumn.html
  HTML SQLContext.implicits$.html
  HTML SaveMode.html
  HTML UDFRegistration.html
  HTML UserDefinedFunction.html
   DIR api
   DIR expressions
  HTML functions.html
   DIR hive
   DIR jdbc
   DIR json
  HTML package-frame.html
  HTML package-summary.html
  HTML package-tree.html
   DIR sources
   DIR test
   DIR types