minecraft-kajetans-core-mod/src/main/resources/META-INF/coremods.json

{
    "Dedicated Server Transformer": "class_transformer/playerlist.js",
    "Block Transformer": "class_transformer/block.js",
    "Crafting Transformer": "class_transformer/craft.js",
    "Container Transformer": "class_transformer/container.js"
}