minecraft-bedrock-json-schemas/test/files/bp/features/cave_carver_feature.json

{
	"format_version": "1.13.0",
	"minecraft:cave_carver_feature": {
		"description": {
			"identifier": "cave_carver_features:cave_carver_feature"
		},

		"fill_with": "minecraft:cobblestone",
		"width_modifier": 1
	}
}