Method validate

paper-api/src/main/java/org/bukkit/NamespacedKey.java:82–86

()

    }

    private void validate() {
        Preconditions.checkArgument(this.namespace.length() + 1 + this.key.length() <= Short.MAX_VALUE, "NamespacedKey must be less than 32768 characters");
        checkError("[a-z0-9_-.]", "namespace", this.namespace, Key.checkNamespace(this.namespace)); // note: for now we will pretend ".." is a valid namespace like adventure to not break conversion
        checkError("[a-z0-9_-./]", "key", this.key, Key.checkValue(this.key));
    }

    private static void checkError(String pattern, String name, String value, OptionalInt index) {
        index.ifPresent(indexValue -> {