question: reads a string from the given input . the string may be null and must have been written with #writenullablestring string , dataoutputview . concode_field_sep PlaceHolder placeHolder concode_field_sep String arrayToString concode_elem_sep String showControlCharacters concode_elem_sep String escapeHtml concode_elem_sep void writeNullableString concode_elem_sep String stringifyException concode_elem_sep String getRandomString concode_elem_sep String getRandomString concode_elem_sep byte[] hexStringToByte concode_elem_sep String arrayAwareToString concode_elem_sep String byteToHexString concode_elem_sep String byteToHexString
target: String function ( DataInputView arg0 ) { if ( arg0 . readBoolean ( ) ) { return StringValue . readString ( arg0 ) ; } else { return null ; } }