mc_rebalance_datapack/data/minecraft/villager/professions/farmer.json

{
	"levels": {
		"1": {
			"take": {
				"type": "constant",
				"value": 3
			},
			"trades": [
				{
					"sells": {"item": "emerald","count": 30},
					"wants": [{"item": "enchanted_golden_apple"}]
				},
				{
					"sells": {"item": "cake","count": 1},
					"wants": [{"item": "emerald","count":3}]
				},
				{
					"sells": {"item": "glistering_melon_slice","count": 8},
					"wants": [{"item": "emerald"}]
				}
			]
		}
	}
}