code: public JcString trimRight() {
  		JcString ret = new JcString(null, this,
  				new FunctionInstance(FUNCTION.String.RTRIM, 1));
  		QueryRecorder.recordInvocationConditional(this, "trimRight", ret);
  		return ret;
  	}
docs: <div color='red' style="font-size:24px;color:red"><b><i><u>JCYPHER</u></i></b></div>
  <div color='red' style="font-size:18px;color:red"><i>return the result of removing trailing white spaces form a string, return a <b>JcString</b></i></div>
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