/** * Returns the configuration key associated with the given {@code path}. * * @param path the path to fetch its configuration key. Note that a * <code>null</code> value is allowed. * @return the configuration key for the given {@code path} or * <code>null</code> if no key is associated with it. */ @CheckForNull public final ConfigurationKey<?> getKey(final String path) { return matchers.getKey(path); }