];
	}

	/**
	 * Returns true if the new_pricing_202210 is set to not empty in URL for testing purpose.
	 */
	public static function is_forced_new_pricing_202208() {
		$referrer = wp_get_referer();
		// phpcs:ignore WordPress.Security.NonceVerification.Recommended, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized, WordPress.Security.ValidatedSanitizedInput.MissingUnslash
		return ( isset( $_GET['new_pricing_202208'] ) && $_GET['new_pricing_202208'] ) || $referrer && strpos( $referrer, 'new_pricing_202208=1' ) !== false;
	}

	/**
	 * Returns true if tracking should be disabled via URL parameter, which is used for testing purposes.
	 *
	 * @since 0.56.0
	 *
	 * @return bool
	 */
	public static function is_tracking_disabled() {
		// phpcs:ignore WordPress.Security.NonceVerification.Recommended, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized, WordPress.Security.ValidatedSanitizedInput.MissingUnslash
		return isset( $_GET['disable_tracking'] ) && $_GET['disable_tracking'];
	}

	/**
	 * Enqueue the WordPress.com Tracks library that drains `window._tkq` and
	 * sends the queued events. Shared by Instant Search and the Search blocks so
	 * the handle, src, and cache-busting version live in one place. Callers own
	 * the decision of whether to load it (e.g. the `is_tracking_disabled()` gate).
	 */
	public static function enqueue_tracks_script() {
		wp_enqueue_script( 'jp-tracks', '//stats.wp.com/w.js', array(), gmdate( 'YW' ), true );
	}
}