question: checks if there 's exactly one option that exists among all possible opts . concode_field_sep String OPT_CONFIRM concode_elem_sep String OPT_U concode_elem_sep String OPT_URL concode_elem_sep String OPT_STORE concode_elem_sep String OPT_HELP concode_elem_sep String OPT_S concode_elem_sep String OPT_H concode_field_sep String[] copyArrayAddFirst concode_elem_sep void acceptsConfirm concode_elem_sep void acceptsHelp concode_elem_sep void acceptsStoreMultiple concode_elem_sep String[] copyArrayCutFirst concode_elem_sep void acceptsUrlMultiple concode_elem_sep void checkOptional concode_elem_sep void checkOptional concode_elem_sep void checkOptional concode_elem_sep Boolean askConfirm
target: void function ( OptionSet arg0 , String arg1 , String arg2 ) { List < String > loc0 = Lists . newArrayList ( ) ; loc0 . add ( arg1 ) ; loc0 . add ( arg2 ) ; checkRequired ( arg0 , loc0 ) ; }