static @NonNull NodeMatcher<Node> key(@NonNull String key) {
        return LuckPermsProvider.get().getNodeMatcherFactory().key(key);
    }
Gets a {@link NodeMatcher} which matches nodes with the same {@link Node#getKey() key}.

<p>The {@link String#equalsIgnoreCase(String)} method is used to test key equality.</p>

@param key the key
@return the matcher
api/src/main/java/net/luckperms/api/node/matcher/NodeMatcher.java