@Override
    public <T> Property<T> getPrefixMappedProperty(IClientConfigKey<T> key) {
        LOG.debug("[{}] get dynamic property key={} ns={} client={}", clientName, key.key(), getNameSpace());

        return getOrCreateProperty(
                key,
                getPrefixedMapPropertySupplier(key),
                key::defaultValue);
    }
Register an action that will refresh the cached value for key. Uses the current value as a reference and will
update from the dynamic property source to either delete or set a new value.

@param key - Property key without client name or namespace
ribbon-core/src/main/java/com/netflix/client/config/ReloadableClientConfig.java