package net.minecraft.server.players; import com.google.gson.JsonObject; import org.jetbrains.annotations.Nullable; public abstract class StoredUserEntry { @Nullable private final T user; public StoredUserEntry(@Nullable T user) { this.user = user; } @Nullable T getUser() { return this.user; } boolean hasExpired() { return false; } protected abstract void serialize(JsonObject data); }