java.io.*
StringReader
System.IO.StringReader
System.IO.TextReader
java.io.*
new StringReader(${s})
System.String
s
UiMi7xnsLWGedRt35u+/XLllWO4=OUGnVJvOSmARacaw8PjXyKv/jT/k5/XHM5NZg9uzVWL4wj7WF6XHoiHf1Rd3Yj3ikiOBAs0f9SPaWbGqkXuzw3zNDoj7V+2X895M9eFt/FGEdcFUpR7EyFTH3zqcukN089OWMfq2F2bsIemaFp+QANA2hlwEZL1eDjmZTSM2mLg=