WP_Theme_JSON::process_pseudo_selectors( array $node, string $base_selector, array $settings, string $block_name, array|null $block_metadata = null, array|null $style_variation = null ): array

965	private function process_pseudo_selectors( $node, $base_selector, $settings, $block_name, $block_metadata = null, $style_variation = null ) {966		$pseudo_declarations = array();967		$add_declarations    = static function ( $selector, $declarations ) use ( &$pseudo_declarations ) {968			if ( empty( $declarations ) ) {969				return;970			}971 972			if ( isset( $pseudo_declarations[ $selector ] ) ) {973				$pseudo_declarations[ $selector ] = array_merge(974					$pseudo_declarations[ $selector ],975					$declarations976				);977			} else {978				$pseudo_declarations[ $selector ] = $declarations;979			}980		};981 982		if ( ! isset( static::VALID_BLOCK_PSEUDO_SELECTORS[ $block_name ] ) ) {983			return $pseudo_declarations;984		}985 986		foreach ( static::VALID_BLOCK_PSEUDO_SELECTORS[ $block_name ] as $pseudo_selector ) {987			if ( isset( $node[ $pseudo_selector ] ) ) {988				$pseudo_node = $node[ $pseudo_selector ];989 990				if ( is_array( $block_metadata ) ) {991					$feature_declarations = $this->get_feature_declarations_for_node( $block_metadata, $pseudo_node );992					$feature_declarations = static::update_paragraph_text_indent_selector( $feature_declarations, $settings, $block_name );993					$feature_declarations = static::update_button_width_declarations( $feature_declarations, $settings );994 995					foreach ( $feature_declarations as $feature_selector => $declarations ) {996						$target_selector   = is_array( $style_variation )997							? static::get_block_style_variation_feature_selector( $style_variation, $feature_selector )998							: $feature_selector;999						$combined_selector = static::append_to_selector( $target_selector, $pseudo_selector );1000 1001						$add_declarations( $combined_selector, $declarations );1002					}1003				}1004 1005				$combined_selector = static::append_to_selector( $base_selector, $pseudo_selector );1006				$declarations      = static::compute_style_properties( $pseudo_node, $settings, null, null );1007				$add_declarations( $combined_selector, $declarations );1008			}1009		}1010 1011		return $pseudo_declarations;1012	}