question: this method removes listeners from the list of observers . concode_field_sep List<GameListener> UIWindows concode_elem_sep GameState gameState concode_elem_sep GameVsPlayer uniqueInstance concode_field_sep GameState updateState concode_elem_sep void endGame concode_elem_sep void gameController concode_elem_sep boolean checkWinnerEast concode_elem_sep boolean TestListenerArrayRegisterAndDelete concode_elem_sep boolean runTestMethods concode_elem_sep void updateUI concode_elem_sep boolean checkWinnerNorth concode_elem_sep char findWinner concode_elem_sep void registerListener concode_elem_sep String TestGameMode concode_elem_sep void gameReset concode_elem_sep GameMove createMove concode_elem_sep boolean checkWinnerNorthEast concode_elem_sep boolean isMoveOk concode_elem_sep boolean checkWinnerNorthWest concode_elem_sep GameVsPlayer getInstance concode_elem_sep void startGame
target: void function ( GameListener arg0 ) { if ( UIWindows . indexOf ( arg0 ) > 0 ) { UIWindows . remove ( UIWindows . indexOf ( arg0 ) ) ; } else { throw new IllegalArgumentException ( "srini_string" ) ; } }