4.0.0 com.mmlsystem CheckinSystem 1.0 central https://repo.maven.apache.org/maven2/ spigot-repo https://hub.spigotmc.org/nexus/content/repositories/snapshots/ jitpack-io https://jitpack.io/ org.spigotmc spigot-api 1.21.8-R0.1-SNAPSHOT provided com.github.MilkBowl VaultAPI 1.7 provided org.jetbrains annotations 24.1.0 compile