*
	 * @return array|null Returns the pattern if found, otherwise null.
	 */
	private static function find_pattern_by_slug( $patterns_dictionary, $slug ) {
		foreach ( $patterns_dictionary as $pattern ) {
			if ( ! is_array( $pattern ) ) {
				continue;
			}

			if ( $pattern['slug'] === $slug ) {
				return $pattern;
			}
		}

		return null;
	}
}