Help remove oceans from world gen

I have this code so far in order to make the world mushroom biom only: { "type": "minecraft:overworld", "generator": { "biome_source": { "biome": "minecraft:mushroom_fields", "type": "minecraft:fixed" }, "seed": 0, "settings": "minecraft:overworld", "type": "minecraft:noise" } } im in 1.19.2 but I want to also remove the ocean IDK how to do it and this is just gpt and internet (works so far) if possible to also remove caves it would help me a lot