{
    "required": false,
    "minVersion": "0.5.7",
    "package": "org.spongepowered.server.mixin.core",
    "refmap": "mixins.vanilla.refmap.json",
    "target": "@env(DEFAULT)",
    "compatibilityLevel": "JAVA_8",
    "priority": 1111,
    "server": [
        "MixinBootstrap",
        "block.MixinBlock",
        "common.MixinSpongeImplHooks",
        "crash.MixinCrashReport",
        "enchantment.MixinEnchantment",
        "entity.MixinEntity",
        "entity.MixinEntityLivingBase",
        "entity.item.MixinEntityMinecart",
        "entity.player.MixinEntityPlayer",
        "item.MixinItem",
        "network.MixinNetHandlerPlayServer",
        "server.MixinMinecraftServer",
        "server.dedicated.MixinConsoleHandler",
        "server.dedicated.MixinDedicatedServer",
        "server.management.MixinPlayerList",
        "tileentity.MixinTileEntity",
        "world.MixinWorldProvider",
        "world.MixinWorldServer",
        "world.MixinWorldType",
        "world.chunk.MixinChunk",
        "world.storage.MixinSaveHandler"
    ],
    "injectors": {
        "defaultRequire": 1
    }
}

{
    "required": true,
    "minVersion": "0.5.7",
    "package": "org.spongepowered.server.mixin.core",
    "refmap": "mixins.vanilla.refmap.json",
    "target": "@env(DEFAULT)",
    "compatibilityLevel": "JAVA_8",
    "priority": 1111,
    "server": [
        "MixinBootstrap",
        "block.MixinBlock",
        "common.MixinSpongeImplHooks",
        "crash.MixinCrashReport",
        "enchantment.MixinEnchantment",
        "entity.MixinEntity",
        "entity.MixinEntityLivingBase",
        "entity.item.MixinEntityMinecart",
        "entity.player.MixinEntityPlayer",
        "item.MixinItem",
        "network.MixinNetHandlerPlayServer",
        "server.MixinMinecraftServer",
        "server.dedicated.MixinConsoleHandler",
        "server.dedicated.MixinDedicatedServer",
        "server.management.MixinPlayerList",
        "tileentity.MixinTileEntity",
        "world.MixinWorldProvider",
        "world.MixinWorldServer",
        "world.MixinWorldType",
        "world.chunk.MixinChunk",
        "world.storage.MixinSaveHandler"
    ],
    "injectors": {
        "defaultRequire": 1
    }
}

Make vanilla mixins required again
Make vanilla mixins required again
