static @NonNull NodeMatcher<MetaNode> metaKey(@NonNull String metaKey) {
        return LuckPermsProvider.get().getNodeMatcherFactory().metaKey(metaKey);
    }
Gets a {@link NodeMatcher} which matches {@link MetaNode}s with the same
{@link MetaNode#getMetaKey() meta key}.

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

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