protected void load(boolean initial) {
        for (ConfigKey<?> key : this.keys) {
            if (initial || key.reloadable()) {
                this.values.put(key, key.get(this.adapter));
            }
        }
    }
Gets the value of a given context key.

@param key the key
@param <T> the key return type
@return the value mapped to the given key. May be null.
common/src/main/java/me/lucko/luckperms/common/config/generic/KeyedConfiguration.java