static <T extends Node> @NonNull NodeMatcher<T> key(@NonNull T node) {
        return LuckPermsProvider.get().getNodeMatcherFactory().key(node);
    }
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 node the node to use for the key
@param <T> the node type
@return the matcher
api/src/main/java/net/luckperms/api/node/matcher/NodeMatcher.java