n self::serialize_blocks( $template );
		}

		$wrapped_blocks = self::wrap_single_product_template( $template_content );
		$template       = self::inject_custom_attributes_to_first_and_last_block_single_product_template( $wrapped_blocks );
		return self::serialize_blocks( $template );
	}

	/**
	 * For compatibility reason, we need to wrap the Single Product template in a div with specific class.
	 * For more details, see https://github.com/woocommerce/woocommerce-blocks/issues/8314.
	 *
	 * @param string $template_content Template Content.
	 * @return array Wrapped template content inside a div.
	 */
	private static function wrap_single_product_template( $template_content ) {
		$parsed_blocks  = parse_blocks( $template_content );
		$grouped_blocks = self::group_blocks( $parsed_blocks );

		$wrapped_blocks = array_map(
			function( $blocks ) {
				if ( 'core/template-part' === $blocks[0]['blockName'] ) {
					return $blocks;
				}

				$has_single_product_template_blocks = self::has_single_product_template_blocks( $blocks );

				if ( $has_single_product_template_blocks ) {
					$wrapped_block = self::create_wrap_block_group( $blocks );
					return array( $wrapped_block[0] );
				}
				return $blocks;
			},
			$grouped_blocks
		);
		return $wrapped_blocks;
	}

	/**
	 * Add custom attributes to the first group block and last group block that wrap Single Product Template blocks.
	 *
	 * @param array $wrapped_blocks Wrapped blocks.
	 * @return array
	 */
	private static function inject_custom_attributes_to_first_and_last_block_single_product_template( $wrapped_blocks ) {
		$template_with_custom_attributes = array_reduce(
			$wrapped_blocks,
			function( $carry, $item ) {

				$index          = $carry['index'];
				$carry['index'] = $carry['index'] + 1;
				// If the block is a child of a group block, we need to get the first block of the group.
				$block = isset( $item[0] ) ? $item[0] : $item;

				if ( 'core/template-part' === $block['blockName'] || self::is_custom_html( $block ) ) {
					$carry['template'][] = $block;
					return $carry;
				}

				if ( '' === $carry['first_block']['index'] ) {
					$block['attrs'][ self::IS_FIRST_BLOCK ] = true;
					$carry['first_block']['index']          = $index;
				}

				if ( '' !== $carry['last_block']['index'] ) {
					$index_element                         = $carry['last_block']['index'];
					$carry['last_block']['index']          = $index;
					$block['attrs'][ self::IS_LAST_BLOCK ] = true;
					unset( $carry['template'][ $index_element ]['attrs'][ self::IS_LAST_BLOCK ] );

					$carry['template'][] = $block;

					return $carry;
				}

				$block['attrs'][ self::IS_LAST_BLOCK ] = true;
				$carry['last_block']['index']          = $index;

				$carry['template'][] = $block;

				return $carry;
			},
			array(
				'template'    => array(),
				'first_block' => array(
					'index' => '',
				),
				'last_block'  => array(
					'index' => '',
				),
				'index'       => 0,
			)
		);

		return array( $template_with_custom_attributes['template'] );
	}

	/**
	 * Wrap all the blocks inside the template in a group block.
	 *
	 * @param array $blocks Array of parsed block objects.
	 * @return array Group block with the blocks inside.
	 */
	private static function create_wrap_block_group( $blocks ) {
		$serialized_blocks = serialize_blocks( $blocks );

		$new_block = parse_blocks(
			sprintf(
				'<!-- wp:group {"className":"woocommerce product"} -->
				<div class="wp-block-group woocommerce product">
					%1$s
				</div>
			<!-- /wp:group -->',
				$serialized_blocks
			)
		);

		$new_block['innerBlocks'] = $blocks;

		return $new_block;

	}

	/**
	 * Check if the Single Product template has a single product template block:
	 * woocommerce/product-gallery-image, woocommerce/product-details, woocommerce/add-to-cart-form]
	 *
	 * @param array $parsed_blocks Array of parsed block objects.
	 * @return bool True if the template has a single product template block, false otherwise.
	 */
	private static function has_single_product_template_blocks( $parsed_blocks ) {
		$single_product_template_blocks = array( 'woocommerce/product-image-gallery', 'woocommerce/product-details', 'woocommerce/add-to-cart-form', 'woocommerce/product-meta', 'woocommerce/product-price', 'woocommerce/breadcrumbs' );

		$found = false;

		foreach ( $parsed_blocks as $block ) {
			if ( isset( $block['blockName'] ) && in_array( $block['blockName'], $single_product_template_blocks, true ) ) {
				$found = true;
				break;
			}
			$found = self::has_single_product_template_blocks( $block['innerBlocks'], $single_product_template_blocks );
			if ( $found ) {
				break;
			}
		}
		return $found;
	}


	/**
	 * Group blocks in this way:
	 * B1 + TP1 + B2 + B3 + B4 + TP2 + B5
	 * (B = Block, TP = Template Part)
	 * becomes:
	 * [[B1], [TP1], [B2, B3, B4], [TP2], [B5]]
	 *
	 * @param array $parsed_blocks Array of parsed block objects.
	 * @return array Array of blocks grouped by template part.
	 */
	private static function group_blocks( $parsed_blocks ) {
		return array_reduce(
			$parsed_blocks,
			function( array $carry, array $block ) {
				if ( 'core/template-part' === $block['blockName'] ) {
					$carry[] = array( $block );
					return $carry;
				}
				$last_element_index = count( $carry ) - 1;
				if ( isset( $carry[ $last_element_index ][0]['blockName'] ) && 'core/template-part' !== $carry[ $last_element_index ][0]['blockName'] ) {
					$carry[ $last_element_index ][] = $block;
					return $carry;
				}
				$carry[] = array( $block );
				return $carry;
			},
			array()
		);
	}

	/**
	 * Inject the hooks after the div wrapper.
	 *
	 * @param string $block_content Block Content.
	 * @param array  $hooks Hooks to inject.
	 * @return array
	 */
	private function inject_hooks_after_the_wrapper( $block_content, $hooks ) {
		$closing_tag_position = strpos( $block_content, '>' );

		return substr_replace(
			$block_content,
			$this->get_hooks_buffer(
				$hooks,
				'before'
			),
			// Add 1 to the position to inject the content after the closing tag.
			$closing_tag_position + 1,
			0
		);
	}


	/**
	 * Plain custom HTML block is parsed as block with an empty blockName with a filled innerHTML.
	 *
	 * @param array $block Parse block.
	 * @return bool
	 */
	private static function is_custom_html( $block ) {
		return empty( $block['blockName'] ) && ! empty( $block['innerHTML'] );
	}

	/**
	 * Serialize template.
	 *
	 * @param array $parsed_blocks Parsed blocks.
	 * @return string
	 */
	private static function serialize_blocks( $parsed_blocks ) {
		return array_reduce(
			$parsed_blocks,
			function( $carry, $item ) {
				if ( is_array( $item ) ) {
					return $carry . serialize_blocks( $item );
				}
				return $carry . serialize_block( $item );
			},
			''
		);
	}
}
<br />
<b>Fatal error</b>:  Uncaught Error: Class 'Automattic\WooCommerce\Blocks\Templates\SingleProductTemplateCompatibility' not found in /home/arasetne/public_html/wp-content/plugins/woocommerce/packages/woocommerce-blocks/src/Domain/Bootstrap.php:345
Stack trace:
#0 /home/arasetne/public_html/wp-content/plugins/woocommerce/packages/woocommerce-blocks/src/Registry/AbstractDependencyType.php(42): Automattic\WooCommerce\Blocks\Domain\Bootstrap-&gt;Automattic\WooCommerce\Blocks\Domain\{closure}(Object(Automattic\WooCommerce\Blocks\Registry\Container))
#1 /home/arasetne/public_html/wp-content/plugins/woocommerce/packages/woocommerce-blocks/src/Registry/SharedType.php(28): Automattic\WooCommerce\Blocks\Registry\AbstractDependencyType-&gt;resolve_value(Object(Automattic\WooCommerce\Blocks\Registry\Container))
#2 /home/arasetne/public_html/wp-content/plugins/woocommerce/packages/woocommerce-blocks/src/Registry/Container.php(96): Automattic\WooCommerce\Blocks\Registry\SharedType-&gt;get(Object(Automattic\WooCommerce\Blocks\Registry\Container))
#3 /ho in <b>/home/arasetne/public_html/wp-content/plugins/woocommerce/packages/woocommerce-blocks/src/Domain/Bootstrap.php</b> on line <b>345</b><br />