src/main/resources/assets/aether_legacy/blockstates/holiday_leaves.json

{
	"variants": {
		"holiday_leaves=holiday_leaves": {
			"model": "aether_legacy:holiday_leaves"
		},
		"holiday_leaves=decorated_holiday_leaves": {
			"model": "aether_legacy:decorated_holiday_leaves"
		}
	}
}