public function __set( $key, $value ) {
		switch ( $key ) {
			case 'enable_signup':
				$bool_value = wc_string_to_bool( $value );

				if ( $bool_value !== $this->is_registration_enabled() ) {
					remove_filter( 'woocommerce_checkout_registration_enabled', '__return_true', 0 );
					remove_filter( 'woocommerce_checkout_registration_enabled', '__return_false', 0 );
					add_filter( 'woocommerce_checkout_registration_enabled', $bool_value ? '__return_true' : '__return_false', 0 );
				}
				break;
			case 'enable_guest_checkout':
				$bool_value = wc_string_to_bool( $value );

				if ( $bool_value === $this->is_registration_required() ) {
					remove_filter( 'woocommerce_checkout_registration_required', '__return_true', 0 );
					remove_filter( 'woocommerce_checkout_registration_required', '__return_false', 0 );
					add_filter( 'woocommerce_checkout_registration_required', $bool_value ? '__return_false' : '__return_true', 0 );
				}
				break;
			case 'checkout_fields':
				$this->fields = $value;
				break;
			case 'shipping_methods':
				WC()->session->set( 'chosen_shipping_methods', $value );
				break;
			case 'posted':
				$this->legacy_posted_data = $value;
				break;
		}
	}