private function is_block_visible( $block ) {

		// Make the block return `true` if it's visible, it will already automatically return an empty string if it's invisible.
		add_filter( 'render_block', '__return_true', 5 );

		// Don't run this classes render function on the block during this test.
		remove_filter( 'render_block', array( $this, 'render_field_block' ), 10, 2 );

		// Render the block.
		$render = render_block( $block );

		// Cleanup / reapply filters.
		add_filter( 'render_block', array( $this, 'render_field_block' ), 10, 2 );
		remove_filter( 'render_block', '__return_true', 5 );

		/**
		 * Filter whether or not the block is visible.
		 *
		 * @since 5.0.0
		 *
		 * @param bool  $visible Whether or not the block is visible.
		 * @param array $block   Parsed block array.
		 */
		return apply_filters( 'llms_forms_is_block_visible', llms_parse_bool( $render ), $block );

	}