array $old_value An array of submitted values for the settings.
	 * @param array $new_value An array of previous values for the settings.
	 *
	 * @return void
	 */
	public function remove_transient_when_enabling_rucss_option( $old_value, $new_value ) {
		if ( ! isset( $new_value['remove_unused_css'], $old_value['remove_unused_css'] ) ) {
			return;
		}

		if ( $new_value['remove_unused_css'] === $old_value['remove_unused_css'] ) {
			return;
		}

		if ( ! $new_value['remove_unused_css'] ) {
			return;
		}

		if ( $this->used_css->has_one_completed_row_at_least() ) {
			return;
		}

		$this->clear_divi_notice();
	}

	/**
	 * Set the transient when save changes button is clicked.
	 *
	 * @return void
	 */
	public function show_rucss_notice_with_save_changes() {
		set_transient( 'rocket_divi_notice', true );
	}
}