public Map<String, Permission> getOpPermissions() {
        return this.opSet;
    }
A replacement map for the 'defaultPerms' instance in Nukkit's SimplePluginManager.

This instance allows LuckPerms to intercept calls to
{@link PluginManager#addPermission(Permission)}, specifically regarding
the default nature of the permission.

Injected by {@link InjectorDefaultsMap}.
nukkit/src/main/java/me/lucko/luckperms/nukkit/inject/server/LuckPermsDefaultsMap.java