WP_Theme_JSON::process_pseudo_selectors( array $node, string $base_selector, array $settings, string $block_name ): array

749	private static function process_pseudo_selectors( $node, $base_selector, $settings, $block_name ) {750		$pseudo_declarations = array();751 752		if ( ! isset( static::VALID_BLOCK_PSEUDO_SELECTORS[ $block_name ] ) ) {753			return $pseudo_declarations;754		}755 756		foreach ( static::VALID_BLOCK_PSEUDO_SELECTORS[ $block_name ] as $pseudo_selector ) {757			if ( isset( $node[ $pseudo_selector ] ) ) {758				$combined_selector                         = static::append_to_selector( $base_selector, $pseudo_selector );759				$declarations                              = static::compute_style_properties( $node[ $pseudo_selector ], $settings, null, null );760				$pseudo_declarations[ $combined_selector ] = $declarations;761			}762		}763 764		return $pseudo_declarations;765	}