public function get_structured_data( $types ) {
		$data = array();

		// Put together the values of same type of structured data.
		foreach ( $this->get_data() as $value ) {
			$data[ strtolower( $value['@type'] ) ][] = $value;
		}

		// Wrap the multiple values of each type inside a graph... Then add context to each type.
		foreach ( $data as $type => $value ) {
			$data[ $type ] = count( $value ) > 1 ? array( '@graph' => $value ) : $value[0];
			$data[ $type ] = apply_filters( 'woocommerce_structured_data_context', array( '@context' => 'https://schema.org/' ), $data, $type, $value ) + $data[ $type ];
		}

		// If requested types, pick them up... Finally change the associative array to an indexed one.
		$data = $types ? array_values( array_intersect_key( $data, array_flip( $types ) ) ) : array_values( $data );

		if ( ! empty( $data ) ) {
			if ( 1 < count( $data ) ) {
				$data = apply_filters( 'woocommerce_structured_data_context', array( '@context' => 'https://schema.org/' ), $data, '', '' ) + array( '@graph' => $data );
			} else {
				$data = $data[0];
			}
		}

		return $data;
	}