public function declareOptions( $optionKeys = array() )
	{
		if( !is_array( $optionKeys ) )
			throw new InvalidArgumentException( 'Option Keys must be an Array.' );
		foreach( $optionKeys as $key )
		{
			if( !is_string( $key ) )
				throw new InvalidArgumentException( 'Option Keys must be an Array List of Strings.' );
			$this->options[$key]	= NULL;
		}
	}