re && static::has_same_registered_blocks( 'core' ) ) {
			return static::$core;
		}

		$config = static::read_json_file( __DIR__ . '/theme.json' );
		$config = static::translate( $config );

		/**
		 * Filters the default data provided by WordPress for global styles & settings.
		 *
		 * @since 6.1.0
		 *
		 * @param WP_Theme_JSON_Data $theme_json Class to access and update the underlying data.
		 */
		$theme_json = apply_filters( 'wp_theme_json_data_default', new WP_Theme_JSON_Data( $config, 'default' ) );

		/*
		 * Backward compatibility for extenders returning a WP_Theme_JSON_Data
		 * compatible class that is not a WP_Theme_JSON_Data object.
		 */
		if ( $theme_json instanceof WP_Theme_JSON_Data ) {
			static::$core = $theme_json->get_theme_json();
		} else {
			$config       = $theme_json->get_data();
			static::$core = new WP_Theme_JSON( $config, 'default' );
		}

		return static::$core;
	}

	/**
	 * Checks whether the registered blocks were already processed for this origin.
	 *
	 * @since 6.1.0
	 *
	 * @param string $origin Data source for which to cache the blocks.
	 *                       Valid values are 'core', 'blocks', 'theme', and 'user'.
	 * @return bool True on success, false otherwise.
	 */
	protected static function has_same_registered_blocks( $origin ) {
		// Bail out if the origin is invalid.
		if ( ! isset( static::$blocks_cache[ $origin ] ) ) {
			return false;
		}

		$registry = WP_Block_Type_Registry::get_instance();
		$blocks   = $registry->get_all_registered();

		// Is there metadata for all currently registered blocks?
		$block_diff = array_diff_key( $blocks, static::$blocks_cache[ $origin ] );
		if ( empty( $block_diff ) ) {
			return true;
		}

		foreach ( $blocks as $block_name => $block_type ) {
			static::$blocks_cache[ $origin ][ $block_name ] = true;
		}

		return false;
	}

	/**
	 * Returns the theme's data.
	 *
	 * Data from theme.json will be backfilled from existing
	 * theme supports, if any. Note that if the same data
	 * is present in theme.json and in theme supports,
	 * the theme.json takes precedence.
	 *
	 * @since 5.8.0
	 * @since 5.9.0 Theme supports have been inlined and the `$theme_support_data` argument removed.
	 * @since 6.0.0 Added an `$options` parameter to allow the theme data to be returned without theme supports.
	 * @since 6.6.0 Add support for 'default-font-sizes' and 'default-spacing-sizes' theme supports.
	 *              Added registration and merging of block style variations from partial theme.json files and the block styles registry.
	 *
	 * @param array $deprecated Deprecated. Not used.
	 * @param array $options {
	 *     Options arguments.
	 *
	 *     @type bool $with_supports Whether to include theme supports in the data. Default true.
	 * }
	 * @return WP_Theme_JSON Entity that holds theme data.
	 */
	public static function get_theme_data( $deprecated = array(), $options = array() ) {
		if ( ! empty( $deprecated ) ) {
			_deprecated_argument( __METHOD__, '5.9.0' );
		}

		$options = wp_parse_args( $options, array( 'with_supports' => true ) );

		if ( null === static::$theme || ! static::has_same_registered_blocks( 'theme' ) ) {
			$wp_theme        = wp_get_theme();
			$theme_json_file = $wp_theme->get_file_path( 'theme.json' );
			if ( is_readable( $theme_json_file ) ) {
				$theme_json_data = static::read_json_file( $theme_json_file );
				$theme_json_data = static::translate( $theme_json_data, $wp_theme->get( 'TextDomain' ) );
			} else {
				$theme_json_data = array( 'version' => WP_Theme_JSON::LATEST_SCHEMA );
			}

			/*
			 * Register variations defined by theme partials (theme.json files in the styles directory).
			 * This is required so the variations pass sanitization of theme.json data.
			 */
			$variations = static::get_style_variations( 'block' );
			wp_register_block_style_variations_from_theme_json_partials( $variations );

			/*
			 * Source variations from the block registry and block style variation files. Then, merge them into the existing theme.json data.
			 *
			 * In case the same style properties are defined in several sources, this is how we should resolve the values,
			 * from higher to lower priority:
			 *
			 * - styles.blocks.blockType.variations from theme.json
			 * - styles.variations from theme.json
			 * - variations from block style variation files
			 * - variations from block styles registry
			 *
			 * See test_add_registered_block_styles_to_theme_data and test_unwraps_block_style_variations.
			 *
			 */
			$theme_json_data = static::inject_variations_from_block_style_variation_files( $theme_json_data, $variations );
			$theme_json_data = static::inject_variations_from_block_styles_registry( $theme_json_data );

			/**
			 * Filters the data provided by the theme for global styles and settings.
			 *
			 * @since 6.1.0
			 *
			 * @param WP_Theme_JSON_Data $theme_json Class to access and update the underlying data.
			 */
			$theme_json = apply_filters( 'wp_theme_json_data_theme', new WP_Theme_JSON_Data( $theme_json_data, 'theme' ) );

			/*
			 * Backward compatibility for extenders returning a WP_Theme_JSON_Data
			 * compatible class that is not a WP_Theme_JSON_Data object.
			 */
			if ( $theme_json instanceof WP_Theme_JSON_Data ) {
				static::$theme = $theme_json->get_theme_json();
			} else {
				$config        = $theme_json->get_data();
				static::$theme = new WP_Theme_JSON( $config );
			}

			if ( $wp_theme->parent() ) {
				// Get parent theme.json.
				$parent_theme_json_file = $wp_theme->parent()->get_file_path( 'theme.json' );
				if ( $theme_json_file !== $parent_theme_json_file && is_readable( $parent_theme_json_file ) ) {
					$parent_theme_json_data = static::read_json_file( $parent_theme_json_file );
					$parent_theme_json_data = static::translate( $parent_theme_json_data, $wp_theme->parent()->get( 'TextDomain' ) );
					$parent_theme           = new WP_Theme_JSON( $parent_theme_json_data );

					/*
					 * Merge the child theme.json into the parent theme.json.
					 * The child theme takes precedence over the parent.
					 */
					$parent_theme->merge( static::$theme );
					static::$theme = $parent_theme;
				}
			}
		}

		if ( ! $options['with_supports'] ) {
			return static::$theme;
		}

		/*
		 * We want the presets and settings declared in theme.json
		 * to override the ones declared via theme supports.
		 * So we take theme supports, transform it to theme.json shape
		 * and merge the static::$theme upon that.
		 */
		$theme_support_data = WP_Theme_JSON::get_from_editor_settings( get_classic_theme_supports_block_editor_settings() );
		if ( ! wp_theme_has_theme_json() ) {
			/*
			 * Unlike block themes, classic themes without a theme.json disable
			 * default presets when custom preset theme support is added. This
			 * behavior can be overridden by using the corresponding default
			 * preset theme support.
			 */
			$theme_support_data['settings']['color']['defaultPalette']        =
				! isset( $theme_support_data['settings']['color']['palette'] ) ||
				current_theme_supports( 'default-color-palette' );
			$theme_support_data['settings']['color']['defaultGradients']      =
				! isset( $theme_support_data['settings']['color']['gradients'] ) ||
				current_theme_supports( 'default-gradient-presets' );
			$theme_support_data['settings']['typography']['defaultFontSizes'] =
				! isset( $theme_support_data['settings']['typography']['fontSizes'] ) ||
				current_theme_supports( 'default-font-sizes' );
			$theme_support_data['settings']['spacing']['defaultSpacingSizes'] =
				! isset( $theme_support_data['settings']['spacing']['spacingSizes'] ) ||
				current_theme_supports( 'default-spacing-sizes' );

			/*
			 * Shadow presets are explicitly disabled for classic themes until a
			 * decision is made for whether the default presets should match the
			 * other presets or if they should be disabled by default in classic
			 * themes. See https://github.com/WordPress/gutenberg/issues/59989.
			 */
			$theme_support_data['settings']['shadow']['defaultPresets'] = false;

			// Allow themes to enable link color setting via theme_support.
			if ( current_theme_supports( 'link-color' ) ) {
				$theme_support_data['settings']['color']['link'] = true;
			}

			// Allow themes to enable all border settings via theme_support.
			if ( current_theme_supports( 'border' ) ) {
				$theme_support_data['settings']['border']['color']  = true;
				$theme_support_data['settings']['border']['radius'] = true;
				$theme_support_data['settings']['border']['style']  = true;
				$theme_support_data['settings']['border']['width']  = true;
			}

			// Allow themes to enable appearance tools via theme_support.
			if ( current_theme_supports( 'appearance-tools' ) ) {
				$theme_support_data['settings']['appearanceTools'] = true;
			}
		}
		$with_theme_supports = new WP_Theme_JSON( $theme_support_data );
		$with_theme_supports->merge( static::$theme );
		return $with_theme_supports;
	}

	/**
	 * Gets the styles for blocks from the block.json file.
	 *
	 * @since 6.1.0
	 *
	 * @return WP_Theme_JSON
	 */
	public static function get_block_data() {
		$registry = WP_Block_Type_Registry::get_instance();
		$blocks   = $registry->get_all_registered();

		if ( null !== static::$blocks && static::has_same_registered_blocks( 'blocks' ) ) {
			return static::$blocks;
		}

		$config = array( 'version' => WP_Theme_JSON::LATEST_SCHEMA );
		foreach ( $blocks as $block_name => $block_type ) {
			if ( isset( $block_type->supports['__experimentalStyle'] ) ) {
				$config['styles']['blocks'][ $block_name ] = static::remove_json_comments( $block_type->supports['__experimentalStyle'] );
			}

			if (
				isset( $block_type->supports['spacing']['blockGap']['__experimentalDefault'] ) &&
				! isset( $config['styles']['blocks'][ $block_name ]['spacing']['blockGap'] )
			) {
				/*
				 * Ensure an empty placeholder value exists for the block, if it provides a default blockGap value.
				 * The real blockGap value to be used will be determined when the styles are rendered for output.
				 */
				$config['styles']['blocks'][ $block_name ]['spacing']['blockGap'] = null;
			}
		}

		/**
		 * Filters the data provided by the blocks for global styles & settings.
		 *
		 * @since 6.1.0
		 *
		 * @param WP_Theme_JSON_Data $theme_json Class to access and update the underlying data.
		 */
		$theme_json = apply_filters( 'wp_theme_json_data_blocks', new WP_Theme_JSON_Data( $config, 'blocks' ) );

		/*
		 * Backward compatibility for extenders returning a WP_Theme_JSON_Data
		 * compatible class that is not a WP_Theme_JSON_Data object.
		 */
		if ( $theme_json instanceof WP_Theme_JSON_Data ) {
			static::$blocks = $theme_json->get_theme_json();
		} else {
			$config         = $theme_json->get_data();
			static::$blocks = new WP_Theme_JSON( $config, 'blocks' );
		}

		return static::$blocks;
	}

	/**
	 * When given an array, this will remove any keys with the name `//`.
	 *
	 * @since 6.1.0
	 *
	 * @param array $input_array The array to filter.
	 * @return array The filtered array.
	 */
	private static function remove_json_comments( $input_array ) {
		unset( $input_array['//'] );
		foreach ( $input_array as $k => $v ) {
			if ( is_array( $v ) ) {
				$input_array[ $k ] = static::remove_json_comments( $v );
			}
		}

		return $input_array;
	}

	/**
	 * Returns the custom post type that contains the user's origin config
	 * for the active theme or an empty array if none are found.
	 *
	 * This can also create and return a new draft custom post type.
	 *
	 * @since 5.9.0
	 *
	 * @param WP_Theme $theme              The theme object. If empty, it
	 *                                     defaults to the active theme.
	 * @param bool     $create_post        Optional. Whether a new custom post
	 *                                     type should be created if none are
	 *                                     found. Default false.
	 * @param array    $post_status_filter Optional. Filter custom post type by
	 *                                     post status. Default `array( 'publish' )`,
	 *                                     so it only fetches published posts.
	 * @return array Custom Post Type for the user's origin config.
	 */
	public static function get_user_data_from_wp_global_styles( $theme, $create_post = false, $post_status_filter = array( 'publish' ) ) {
		if ( ! $theme instanceof WP_Theme ) {
			$theme = wp_get_theme();
		}

		/*
		 * Bail early if the theme does not support a theme.json.
		 *
		 * Since wp_theme_has_theme_json() only supports the active
		 * theme, the extra condition for whether $theme is the active theme is
		 * present here.
		 */
		if ( $theme->get_stylesheet() === get_stylesheet() && ! wp_theme_has_theme_json() ) {
			return array();
		}

		$user_cpt         = array();
		$post_type_filter = 'wp_global_styles';
		$stylesheet       = $theme->get_stylesheet();
		$args             = array(
			'posts_per_page'         => 1,
			'orderby'                => 'date',
			'order'                  => 'desc',
			'post_type'              => $post_type_filter,
			'post_status'            => $post_status_filter,
			'ignore_sticky_posts'    => true,
			'no_found_rows'          => true,
			'update_post_meta_cache' => false,
			'update_post_term_cache' => false,
			'tax_query'              => array(
				array(
					'taxonomy' => 'wp_theme',
					'field'    => 'name',
					'terms'    => $stylesheet,
				),
			),
		);

		$global_style_query = new WP_Query();
		$recent_posts       = $global_style_query->query( $args );
		if ( count( $recent_posts ) === 1 ) {
			$user_cpt = get_object_vars( $recent_posts[0] );
		} elseif ( $create_post ) {
			$cpt_post_id = wp_insert_post(
				array(
					'post_content' => '{"version": ' . WP_Theme_JSON::LATEST_SCHEMA . ', "isGlobalStylesUserThemeJSON": true }',
					'post_status'  => 'publish',
					'post_title'   => 'Custom Styles', // Do not make string translatable, see https://core.trac.wordpress.org/ticket/54518.
					'post_type'    => $post_type_filter,
					'post_name'    => sprintf( 'wp-global-styles-%s', urlencode( $stylesheet ) ),
					'tax_input'    => array(
						'wp_theme' => array( $stylesheet ),
					),
				),
				true
			);
			if ( ! is_wp_error( $cpt_post_id ) ) {
				$user_cpt = get_object_vars( get_post( $cpt_post_id ) );
			}
		}

		return $user_cpt;
	}

	/**
	 * Returns the user's origin config.
	 *
	 * @since 5.9.0
	 * @since 6.6.0 The 'isGlobalStylesUserThemeJSON' flag is left on the user data.
	 *              Register the block style variations coming from the user data.
	 *
	 * @return WP_Theme_JSON Entity that holds styles for user data.
	 */
	public static function get_user_data() {
		if ( null !== static::$user && static::has_same_registered_blocks( 'user' ) ) {
			return static::$user;
		}

		$config   = array();
		$user_cpt = static::get_user_data_from_wp_global_styles( wp_get_theme() );

		if ( array_key_exists( 'post_content', $user_cpt ) ) {
			$decoded_data = json_decode( $user_cpt['post_content'], true );

			$json_decoding_error = json_last_error();
			if ( JSON_ERROR_NONE !== $json_decoding_error ) {
				wp_trigger_error( __METHOD__, 'Error when decoding a theme.json schema for user data. ' . json_last_error_msg() );
				/**
				 * Filters the data provided by the user for global styles & settings.
				 *
				 * @since 6.1.0
				 *
				 * @param WP_Theme_JSON_Data $theme_json Class to access and update the underlying data.
				 */
				$theme_json = apply_filters( 'wp_theme_json_data_user', new WP_Theme_JSON_Data( $config, 'custom' ) );

				/*
				 * Backward compatibility for extenders returning a WP_Theme_JSON_Data
				 * compatible class that is not a WP_Theme_JSON_Data object.
				 */
				if ( $theme_json instanceof WP_Theme_JSON_Data ) {
					return $theme_json->get_theme_json();
				} else {
					$config = $theme_json->get_data();
					return new WP_Theme_JSON( $config, 'custom' );
				}
			}

			/*
			 * Very important to verify that the flag isGlobalStylesUserThemeJSON is true.
			 * If it's not true then the content was not escaped and is not safe.
			 */
			if (
				is_array( $decoded_data ) &&
				isset( $decoded_data['isGlobalStylesUserThemeJSON'] ) &&
				$decoded_data['isGlobalStylesUserThemeJSON']
			) {
				unset( $decoded_data['isGlobalStylesUserThemeJSON'] );
				$config = $decoded_data;
			}
		}

		/** This filter is documented in wp-includes/class-wp-theme-json-resolver.php */
		$theme_json = apply_filters( 'wp_theme_json_data_user', new WP_Theme_JSON_Data( $config, 'custom' ) );

		/*
		 * Backward compatibility for extenders returning a WP_Theme_JSON_Data
		 * compatible class that is not a WP_Theme_JSON_Data object.
		 */
		if ( $theme_json instanceof WP_Theme_JSON_Data ) {
			static::$user = $theme_json->get_theme_json();
		} else {
			$config       = $theme_json->get_data();
			static::$user = new WP_Theme_JSON( $config, 'custom' );
		}

		return static::$user;
	}

	/**
	 * Returns the data merged from multiple origins.
	 *
	 * There are four sources of data (origins) for a site:
	 *
	 * - default => WordPress
	 * - blocks  => each one of the blocks provides data for itself
	 * - theme   => the active theme
	 * - custom  => data provided by the user
	 *
	 * The custom's has higher priority than the theme's, the theme's higher than blocks',
	 * and block's higher than default's.
	 *
	 * Unlike the getters
	 * {@link https://developer.wordpress.org/reference/classes/wp_theme_json_resolver/get_core_data/ get_core_data},
	 * {@link https://developer.wordpress.org/reference/classes/wp_theme_json_resolver/get_theme_data/ get_theme_data},
	 * and {@link https://developer.wordpress.org/reference/classes/wp_theme_json_resolver/get_user_data/ get_user_data},
	 * this method returns data after it has been merged with the previous origins.
	 * This means that if the same piece of data is declared in different origins
	 * (default, blocks, theme, custom), the last origin overrides the previous.
	 *
	 * For example, if the user has set a background color
	 * for the paragraph block, and the theme has done it as well,
	 * the user preference wins.
	 *
	 * @since 5.8.0
	 * @since 5.9.0 Added user data, removed the `$settings` parameter,
	 *              added the `$origin` parameter.
	 * @since 6.1.0 Added block data and generation of spacingSizes array.
	 * @since 6.2.0 Changed ' $origin' parameter values to 'default', 'blocks', 'theme' or 'custom'.
	 *
	 * @param string $origin Optional. To what level should we merge data: 'default', 'blocks', 'theme' or 'custom'.
	 *                       'custom' is used as default value as well as fallback value if the origin is unknown.
	 * @return WP_Theme_JSON
	 */
	public static function get_merged_data( $origin = 'custom' ) {
		if ( is_array( $origin ) ) {
			_deprecated_argument( __FUNCTION__, '5.9.0' );
		}

		$result = new WP_Theme_JSON();
		$result->merge( static::get_core_data() );
		if ( 'default' === $origin ) {
			return $result;
		}

		$result->merge( static::get_block_data() );
		if ( 'blocks' === $origin ) {
			return $result;
		}

		$result->merge( static::get_theme_data() );
		if ( 'theme' === $origin ) {
			return $result;
		}

		$result->merge( static::get_user_data() );

		return $result;
	}

	/**
	 * Returns the ID of the custom post type
	 * that stores user data.
	 *
	 * @since 5.9.0
	 *
	 * @return integer|null
	 */
	public static function get_user_global_styles_post_id() {
		if ( null !== static::$user_custom_post_type_id ) {
			return static::$user_custom_post_type_id;
		}

		$user_cpt = static::get_user_data_from_wp_global_styles( wp_get_theme(), true );

		if ( array_key_exists( 'ID', $user_cpt ) ) {
			static::$user_custom_post_type_id = $user_cpt['ID'];
		}

		return static::$user_custom_post_type_id;
	}

	/**
	 * Determines whether the active theme has a theme.json file.
	 *
	 * @since 5.8.0
	 * @since 5.9.0 Added a check in the parent theme.
	 * @deprecated 6.2.0 Use wp_theme_has_theme_json() instead.
	 *
	 * @return bool
	 */
	public static function theme_has_support() {
		_deprecated_function( __METHOD__, '6.2.0', 'wp_theme_has_theme_json()' );

		return wp_theme_has_theme_json();
	}

	/**
	 * Builds the path to the given file and checks that it is readable.
	 *
	 * If it isn't, returns an empty string, otherwise returns the whole file path.
	 *
	 * @since 5.8.0
	 * @since 5.9.0 Adapted to work with child themes, added the `$template` argument.
	 *
	 * @param string $file_name Name of the file.
	 * @param bool   $template  Optional. Use template theme directory. Default false.
	 * @return string The whole file path or empty if the file doesn't exist.
	 */
	protected static function get_file_path_from_theme( $file_name, $template = false ) {
		$path      = $template ? get_template_directory() : get_stylesheet_directory();
		$candidate = $path . '/' . $file_name;

		return is_readable( $candidate ) ? $candidate : '';
	}

	/**
	 * Cleans the cached data so it can be recalculated.
	 *
	 * @since 5.8.0
	 * @since 5.9.0 Added the `$user`, `$user_custom_post_type_id`,
	 *              and `$i18n_schema` variables to reset.
	 * @since 6.1.0 Added the `$blocks` and `$blocks_cache` variables
	 *              to reset.
	 */
	public static function clean_cached_data() {
		static::$core                     = null;
		static::$blocks                   = null;
		static::$blocks_cache             = array(
			'core'   => array(),
			'blocks' => array(),
			'theme'  => array(),
			'user'   => array(),
		);
		static::$theme                    = null;
		static::$user                     = null;
		static::$user_custom_post_type_id = null;
		static::$i18n_schema              = null;
	}

	/**
	 * Returns an array of all nested JSON files within a given directory.
	 *
	 * @since 6.2.0
	 *
	 * @param string $dir The directory to recursively iterate and list files of.
	 * @return array The merged array.
	 */
	private static function recursively_iterate_json( $dir ) {
		$nested_files      = new RecursiveIteratorIterator( new RecursiveDirectoryIterator( $dir ) );
		$nested_json_files = iterator_to_array( new RegexIterator( $nested_files, '/^.+\.json$/i', RecursiveRegexIterator::GET_MATCH ) );
		return $nested_json_files;
	}

	/**
	 * Determines if a supplied style variation matches the provided scope.
	 *
	 * For backwards compatibility, if a variation does not define any scope
	 * related property, e.g. `blockTypes`, it is assumed to be a theme style
	 * variation.
	 *
	 * @since 6.6.0
	 *
	 * @param array  $variation Theme.json shaped style variation object.
	 * @param string $scope     Scope to check e.g. theme, block etc.
	 * @return boolean
	 */
	private static function style_variation_has_scope( $variation, $scope ) {
		if ( 'block' === $scope ) {
			return isset( $variation['blockTypes'] );
		}

		if ( 'theme' === $scope ) {
			return ! isset( $variation['blockTypes'] );
		}

		return false;
	}

	/**
	 * Returns the style variations defined by the theme.
	 *
	 * @since 6.0.0
	 * @since 6.2.0 Returns parent theme variations if theme is a child.
	 * @since 6.6.0 Added configurable scope parameter to allow filtering
	 *              theme.json partial files by the scope to which they
	 *              can be applied e.g. theme vs block etc.
	 *              Added basic caching for read theme.json partial files.
	 *
	 * @param string $scope The scope or type of style variation to retrieve e.g. theme, block etc.
	 * @return array
	 */
	public static function get_style_variations( $scope = 'theme' ) {
		$variation_files    = array();
		$variations         = array();
		$base_directory     = get_stylesheet_directory() . '/styles';
		$template_directory = get_template_directory() . '/styles';
		if ( is_dir( $base_directory ) ) {
			$variation_files = static::recursively_iterate_json( $base_directory );
		}
		if ( is_dir( $template_directory ) && $template_directory !== $base_directory ) {
			$variation_files_parent = static::recursively_iterate_json( $template_directory );
			// If the child and parent variation file basename are the same, only include the child theme's.
			foreach ( $variation_files_parent as $parent_path => $parent ) {
				foreach ( $variation_files as $child_path => $child ) {
					if ( basename( $parent_path ) === basename( $child_path ) ) {
						unset( $variation_files_parent[ $parent_path ] );
					}
				}
			}
			$variation_files = array_merge( $variation_files, $variation_files_parent );
		}
		ksort( $variation_files );
		foreach ( $variation_files as $path => $file ) {
			$decoded_file = self::read_json_file( $path );
			if ( is_array( $decoded_file ) && static::style_variation_has_scope( $decoded_file, $scope ) ) {
				$translated = static::translate( $decoded_file, wp_get_theme()->get( 'TextDomain' ) );
				$variation  = ( new WP_Theme_JSON( $translated ) )->get_raw_data();
				if ( empty( $variation['title'] ) ) {
					$variation['title'] = basename( $path, '.json' );
				}
				$variations[] = $variation;
			}
		}
		return $variations;
	}

	/**
	 * Resolves relative paths in theme.json styles to theme absolute paths
	 * and returns them in an array that can be embedded
	 * as the value of `_link` object in REST API responses.
	 *
	 * @since 6.6.0
	 *
	 * @param WP_Theme_JSON $theme_json A theme json instance.
	 * @return array An array of resolved paths.
	 */
	public static function get_resolved_theme_uris( $theme_json ) {
		$resolved_theme_uris = array();

		if ( ! $theme_json instanceof WP_Theme_JSON ) {
			return $resolved_theme_uris;
		}

		$theme_json_data = $theme_json->get_raw_data();

		// Top level styles.
		$background_image_url = isset( $theme_json_data['styles']['background']['backgroundImage']['url'] ) ? $theme_json_data['styles']['background']['backgroundImage']['url'] : null;

		/*
		 * The same file convention when registering web fonts.
		 * See: WP_Font_Face_Resolver::to_theme_file_uri.
		 */
		$placeholder = 'file:./';
		if (
			isset( $background_image_url ) &&
			is_string( $background_image_url ) &&
			// Skip if the src doesn't start with the placeholder, as there's nothing to replace.
			str_starts_with( $background_image_url, $placeholder )
		) {
			$file_type          = wp_check_filetype( $background_image_url );
			$src_url            = str_replace( $placeholder, '', $background_image_url );
			$resolved_theme_uri = array(
				'name'   => $background_image_url,
				'href'   => sanitize_url( get_theme_file_uri( $src_url ) ),
				'target' => 'styles.background.backgroundImage.url',
			);
			if ( isset( $file_type['type'] ) ) {
				$resolved_theme_uri['type'] = $file_type['type'];
			}
			$resolved_theme_uris[] = $resolved_theme_uri;
		}

		return $resolved_theme_uris;
	}

	/**
	 * Resolves relative paths in theme.json styles to theme absolute paths
	 * and merges them with incoming theme JSON.
	 *
	 * @since 6.6.0
	 *
	 * @param WP_Theme_JSON $theme_json A theme json instance.
	 * @return WP_Theme_JSON Theme merged with resolved paths, if any found.
	 */
	public static function resolve_theme_file_uris( $theme_json ) {
		$resolved_urls = static::get_resolved_theme_uris( $theme_json );
		if ( empty( $resolved_urls ) ) {
			return $theme_json;
		}

		$resolved_theme_json_data = array(
			'version' => WP_Theme_JSON::LATEST_SCHEMA,
		);

		foreach ( $resolved_urls as $resolved_url ) {
			$path = explode( '.', $resolved_url['target'] );
			_wp_array_set( $resolved_theme_json_data, $path, $resolved_url['href'] );
		}

		$theme_json->merge( new WP_Theme_JSON( $resolved_theme_json_data ) );

		return $theme_json;
	}

	/**
	 * Adds variations sourced from block style variations files to the supplied theme.json data.
	 *
	 * @since 6.6.0
	 *
	 * @param array $data       Array following the theme.json specification.
	 * @param array $variations Shared block style variations.
	 * @return array Theme json data including shared block style variation definitions.
	 */
	private static function inject_variations_from_block_style_variation_files( $data, $variations ) {
		if ( empty( $variations ) ) {
			return $data;
		}

		foreach ( $variations as $variation ) {
			if ( empty( $variation['styles'] ) || empty( $variation['blockTypes'] ) ) {
				continue;
			}

			$variation_name = $variation['slug'] ?? _wp_to_kebab_case( $variation['title'] );

			foreach ( $variation['blockTypes'] as $block_type ) {
				// First, override partial styles with any top-level styles.
				$top_level_data = $data['styles']['variations'][ $variation_name ] ?? array();
				if ( ! empty( $top_level_data ) ) {
					$variation['styles'] = array_replace_recursive( $variation['styles'], $top_level_data );
				}

				// Then, override styles so far with any block-level styles.
				$block_level_data = $data['styles']['blocks'][ $block_type ]['variations'][ $variation_name ] ?? array();
				if ( ! empty( $block_level_data ) ) {
					$variation['styles'] = array_replace_recursive( $variation['styles'], $block_level_data );
				}

				$path = array( 'styles', 'blocks', $block_type, 'variations', $variation_name );
				_wp_array_set( $data, $path, $variation['styles'] );
			}
		}

		return $data;
	}

	/**
	 * Adds variations sourced from the block styles registry to the supplied theme.json data.
	 *
	 * @since 6.6.0
	 *
	 * @param array $data Array following the theme.json specification.
	 * @return array Theme json data including shared block style variation definitions.
	 */
	private static function inject_variations_from_block_styles_registry( $data ) {
		$registry = WP_Block_Styles_Registry::get_instance();
		$styles   = $registry->get_all_registered();

		foreach ( $styles as $block_type => $variations ) {
			foreach ( $variations as $variation_name => $variation ) {
				if ( empty( $variation['style_data'] ) ) {
					continue;
				}

				// First, override registry styles with any top-level styles.
				$top_level_data = $data['styles']['variations'][ $variation_name ] ?? array();
				if ( ! empty( $top_level_data ) ) {
					$variation['style_data'] = array_replace_recursive( $variation['style_data'], $top_level_data );
				}

				// Then, override styles so far with any block-level styles.
				$block_level_data = $data['styles']['blocks'][ $block_type ]['variations'][ $variation_name ] ?? array();
				if ( ! empty( $block_level_data ) ) {
					$variation['style_data'] = array_replace_recursive( $variation['style_data'], $block_level_data );
				}

				$path = array( 'styles', 'blocks', $block_type, 'variations', $variation_name );
				_wp_array_set( $data, $path, $variation['style_data'] );
			}
		}

		return $data;
	}
}
gory`
		 *  - `rest_after_insert_post_tag`
		 *
		 * @since 5.0.0
		 *
		 * @param WP_Term         $term     Inserted or updated term object.
		 * @param WP_REST_Request $request  Request object.
		 * @param bool            $creating True when creating a term, false when updating.
		 */
		do_action( "rest_after_insert_{$this->taxonomy}", $term, $request, true );

		$response = $this->prepare_item_for_response( $term, $request );
		$response = rest_ensure_response( $response );

		$response->set_status( 201 );
		$response->header( 'Location', rest_url( $this->namespace . '/' . $this->rest_base . '/' . $term->term_id ) );

		return $response;
	}

	/**
	 * Checks if a request has access to update the specified term.
	 *
	 * @since 4.7.0
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 * @return true|WP_Error True if the request has access to update the item, false or WP_Error object otherwise.
	 */
	public function update_item_permissions_check( $request ) {
		$term = $this->get_term( $request['id'] );

		if ( is_wp_error( $term ) ) {
			return $term;
		}

		if ( ! current_user_can( 'edit_term', $term->term_id ) ) {
			return new WP_Error(
				'rest_cannot_update',
				__( 'Sorry, you are not allowed to edit this term.' ),
				array( 'status' => rest_authorization_required_code() )
			);
		}

		return true;
	}

	/**
	 * Updates a single term from a taxonomy.
	 *
	 * @since 4.7.0
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
	 */
	public function update_item( $request ) {
		$term = $this->get_term( $request['id'] );
		if ( is_wp_error( $term ) ) {
			return $term;
		}

		if ( isset( $request['parent'] ) ) {
			if ( ! is_taxonomy_hierarchical( $this->taxonomy ) ) {
				return new WP_Error(
					'rest_taxonomy_not_hierarchical',
					__( 'Cannot set parent term, taxonomy is not hierarchical.' ),
					array( 'status' => 400 )
				);
			}

			$parent = get_term( (int) $request['parent'], $this->taxonomy );

			if ( ! $parent ) {
				return new WP_Error(
					'rest_term_invalid',
					__( 'Parent term does not exist.' ),
					array( 'status' => 400 )
				);
			}
		}

		$prepared_term = $this->prepare_item_for_database( $request );

		// Only update the term if we have something to update.
		if ( ! empty( $prepared_term ) ) {
			$update = wp_update_term( $term->term_id, $term->taxonomy, wp_slash( (array) $prepared_term ) );

			if ( is_wp_error( $update ) ) {
				return $update;
			}
		}

		$term = get_term( $term->term_id, $this->taxonomy );

		/** This action is documented in wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php */
		do_action( "rest_insert_{$this->taxonomy}", $term, $request, false );

		$schema = $this->get_item_schema();
		if ( ! empty( $schema['properties']['meta'] ) && isset( $request['meta'] ) ) {
			$meta_update = $this->meta->update_value( $request['meta'], $term->term_id );

			if ( is_wp_error( $meta_update ) ) {
				return $meta_update;
			}
		}

		$fields_update = $this->update_additional_fields_for_object( $term, $request );

		if ( is_wp_error( $fields_update ) ) {
			return $fields_update;
		}

		$request->set_param( 'context', 'edit' );

		/** This action is documented in wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php */
		do_action( "rest_after_insert_{$this->taxonomy}", $term, $request, false );

		$response = $this->prepare_item_for_response( $term, $request );

		return rest_ensure_response( $response );
	}

	/**
	 * Checks if a request has access to delete the specified term.
	 *
	 * @since 4.7.0
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 * @return true|WP_Error True if the request has access to delete the item, otherwise false or WP_Error object.
	 */
	public function delete_item_permissions_check( $request ) {
		$term = $this->get_term( $request['id'] );

		if ( is_wp_error( $term ) ) {
			return $term;
		}

		if ( ! current_user_can( 'delete_term', $term->term_id ) ) {
			return new WP_Error(
				'rest_cannot_delete',
				__( 'Sorry, you are not allowed to delete this term.' ),
				array( 'status' => rest_authorization_required_code() )
			);
		}

		return true;
	}

	/**
	 * Deletes a single term from a taxonomy.
	 *
	 * @since 4.7.0
	 *
	 * @param WP_REST_Request $request Full details about the request.
	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
	 */
	public function delete_item( $request ) {
		$term = $this->get_term( $request['id'] );
		if ( is_wp_error( $term ) ) {
			return $term;
		}

		$force = isset( $request['force'] ) ? (bool) $request['force'] : false;

		// We don't support trashing for terms.
		if ( ! $force ) {
			return new WP_Error(
				'rest_trash_not_supported',
				/* translators: %s: force=true */
				sprintf( __( "Terms do not support trashing. Set '%s' to delete." ), 'force=true' ),
				array( 'status' => 501 )
			);
		}

		$request->set_param( 'context', 'view' );

		$previous = $this->prepare_item_for_response( $term, $request );

		$retval = wp_delete_term( $term->term_id, $term->taxonomy );

		if ( ! $retval ) {
			return new WP_Error(
				'rest_cannot_delete',
				__( 'The term cannot be deleted.' ),
				array( 'status' => 500 )
			);
		}

		$response = new WP_REST_Response();
		$response->set_data(
			array(
				'deleted'  => true,
				'previous' => $previous->get_data(),
			)
		);

		/**
		 * Fires after a single term is deleted via the REST API.
		 *
		 * The dynamic portion of the hook name, `$this->taxonomy`, refers to the taxonomy slug.
		 *
		 * Possible hook names include:
		 *
		 *  - `rest_delete_category`
		 *  - `rest_delete_post_tag`
		 *
		 * @since 4.7.0
		 *
		 * @param WP_Term          $term     The deleted term.
		 * @param WP_REST_Response $response The response data.
		 * @param WP_REST_Request  $request  The request sent to the API.
		 */
		do_action( "rest_delete_{$this->taxonomy}", $term, $response, $request );

		return $response;
	}

	/**
	 * Prepares a single term for create or update.
	 *
	 * @since 4.7.0
	 *
	 * @param WP_REST_Request $request Request object.
	 * @return object Term object.
	 */
	public function prepare_item_for_database( $request ) {
		$prepared_term = new stdClass();

		$schema = $this->get_item_schema();
		if ( isset( $request['name'] ) && ! empty( $schema['properties']['name'] ) ) {
			$prepared_term->name = $request['name'];
		}

		if ( isset( $request['slug'] ) && ! empty( $schema['properties']['slug'] ) ) {
			$prepared_term->slug = $request['slug'];
		}

		if ( isset( $request['taxonomy'] ) && ! empty( $schema['properties']['taxonomy'] ) ) {
			$prepared_term->taxonomy = $request['taxonomy'];
		}

		if ( isset( $request['description'] ) && ! empty( $schema['properties']['description'] ) ) {
			$prepared_term->description = $request['description'];
		}

		if ( isset( $request['parent'] ) && ! empty( $schema['properties']['parent'] ) ) {
			$parent_term_id   = 0;
			$requested_parent = (int) $request['parent'];

			if ( $requested_parent ) {
				$parent_term = get_term( $requested_parent, $this->taxonomy );

				if ( $parent_term instanceof WP_Term ) {
					$parent_term_id = $parent_term->term_id;
				}
			}

			$prepared_term->parent = $parent_term_id;
		}

		/**
		 * Filters term data before inserting term via the REST API.
		 *
		 * The dynamic portion of the hook name, `$this->taxonomy`, refers to the taxonomy slug.
		 *
		 * Possible hook names include:
		 *
		 *  - `rest_pre_insert_category`
		 *  - `rest_pre_insert_post_tag`
		 *
		 * @since 4.7.0
		 *
		 * @param object          $prepared_term Term object.
		 * @param WP_REST_Request $request       Request object.
		 */
		return apply_filters( "rest_pre_insert_{$this->taxonomy}", $prepared_term, $request );
	}

	/**
	 * Prepares a single term output for response.
	 *
	 * @since 4.7.0
	 *
	 * @param WP_Term         $item    Term object.
	 * @param WP_REST_Request $request Request object.
	 * @return WP_REST_Response Response object.
	 */
	public function prepare_item_for_response( $item, $request ) {

		$fields = $this->get_fields_for_response( $request );
		$data   = array();

		if ( in_array( 'id', $fields, true ) ) {
			$data['id'] = (int) $item->term_id;
		}

		if ( in_array( 'count', $fields, true ) ) {
			$data['count'] = (int) $item->count;
		}

		if ( in_array( 'description', $fields, true ) ) {
			$data['description'] = $item->description;
		}

		if ( in_array( 'link', $fields, true ) ) {
			$data['link'] = get_term_link( $item );
		}

		if ( in_array( 'name', $fields, true ) ) {
			$data['name'] = $item->name;
		}

		if ( in_array( 'slug', $fields, true ) ) {
			$data['slug'] = $item->slug;
		}

		if ( in_array( 'taxonomy', $fields, true ) ) {
			$data['taxonomy'] = $item->taxonomy;
		}

		if ( in_array( 'parent', $fields, true ) ) {
			$data['parent'] = (int) $item->parent;
		}

		if ( in_array( 'meta', $fields, true ) ) {
			$data['meta'] = $this->meta->get_value( $item->term_id, $request );
		}

		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
		$data    = $this->add_additional_fields_to_object( $data, $request );
		$data    = $this->filter_response_by_context( $data, $context );

		$response = rest_ensure_response( $data );

		if ( rest_is_field_included( '_links', $fields ) || rest_is_field_included( '_embedded', $fields ) ) {
			$response->add_links( $this->prepare_links( $item ) );
		}

		/**
		 * Filters the term data for a REST API response.
		 *
		 * The dynamic portion of the hook name, `$this->taxonomy`, refers to the taxonomy slug.
		 *
		 * Possible hook names include:
		 *
		 *  - `rest_prepare_category`
		 *  - `rest_prepare_post_tag`
		 *
		 * Allows modification of the term data right before it is returned.
		 *
		 * @since 4.7.0
		 *
		 * @param WP_REST_Response  $response  The response object.
		 * @param WP_Term           $item      The original term object.
		 * @param WP_REST_Request   $request   Request used to generate the response.
		 */
		return apply_filters( "rest_prepare_{$this->taxonomy}", $response, $item, $request );
	}

	/**
	 * Prepares links for the request.
	 *
	 * @since 4.7.0
	 *
	 * @param WP_Term $term Term object.
	 * @return array Links for the given term.
	 */
	protected function prepare_links( $term ) {
		$links = array(
			'self'       => array(
				'href' => rest_url( rest_get_route_for_term( $term ) ),
			),
			'collection' => array(
				'href' => rest_url( rest_get_route_for_taxonomy_items( $this->taxonomy ) ),
			),
			'about'      => array(
				'href' => rest_url( sprintf( 'wp/v2/taxonomies/%s', $this->taxonomy ) ),
			),
		);

		if ( $term->parent ) {
			$parent_term = get_term( (int) $term->parent, $term->taxonomy );

			if ( $parent_term ) {
				$links['up'] = array(
					'href'       => rest_url( rest_get_route_for_term( $parent_term ) ),
					'embeddable' => true,
				);
			}
		}

		$taxonomy_obj = get_taxonomy( $term->taxonomy );

		if ( empty( $taxonomy_obj->object_type ) ) {
			return $links;
		}

		$post_type_links = array();

		foreach ( $taxonomy_obj->object_type as $type ) {
			$rest_path = rest_get_route_for_post_type_items( $type );

			if ( empty( $rest_path ) ) {
				continue;
			}

			$post_type_links[] = array(
				'href' => add_query_arg( $this->rest_base, $term->term_id, rest_url( $rest_path ) ),
			);
		}

		if ( ! empty( $post_type_links ) ) {
			$links['https://api.w.org/post_type'] = $post_type_links;
		}

		return $links;
	}

	/**
	 * Retrieves the term's schema, conforming to JSON Schema.
	 *
	 * @since 4.7.0
	 *
	 * @return array Item schema data.
	 */
	public function get_item_schema() {
		if ( $this->schema ) {
			return $this->add_additional_fields_schema( $this->schema );
		}

		$schema = array(
			'$schema'    => 'http://json-schema.org/draft-04/schema#',
			'title'      => 'post_tag' === $this->taxonomy ? 'tag' : $this->taxonomy,
			'type'       => 'object',
			'properties' => array(
				'id'          => array(
					'description' => __( 'Unique identifier for the term.' ),
					'type'        => 'integer',
					'context'     => array( 'view', 'embed', 'edit' ),
					'readonly'    => true,
				),
				'count'       => array(
					'description' => __( 'Number of published posts for the term.' ),
					'type'        => 'integer',
					'context'     => array( 'view', 'edit' ),
					'readonly'    => true,
				),
				'description' => array(
					'description' => __( 'HTML description of the term.' ),
					'type'        => 'string',
					'context'     => array( 'view', 'edit' ),
				),
				'link'        => array(
					'description' => __( 'URL of the term.' ),
					'type'        => 'string',
					'format'      => 'uri',
					'context'     => array( 'view', 'embed', 'edit' ),
					'readonly'    => true,
				),
				'name'        => array(
					'description' => __( 'HTML title for the term.' ),
					'type'        => 'string',
					'context'     => array( 'view', 'embed', 'edit' ),
					'arg_options' => array(
						'sanitize_callback' => 'sanitize_text_field',
					),
					'required'    => true,
				),
				'slug'        => array(
					'description' => __( 'An alphanumeric identifier for the term unique to its type.' ),
					'type'        => 'string',
					'context'     => array( 'view', 'embed', 'edit' ),
					'arg_options' => array(
						'sanitize_callback' => array( $this, 'sanitize_slug' ),
					),
				),
				'taxonomy'    => array(
					'description' => __( 'Type attribution for the term.' ),
					'type'        => 'string',
					'enum'        => array( $this->taxonomy ),
					'context'     => array( 'view', 'embed', 'edit' ),
					'readonly'    => true,
				),
			),
		);

		$taxonomy = get_taxonomy( $this->taxonomy );

		if ( $taxonomy->hierarchical ) {
			$schema['properties']['parent'] = array(
				'description' => __( 'The parent term ID.' ),
				'type'        => 'integer',
				'context'     => array( 'view', 'edit' ),
			);
		}

		$schema['properties']['meta'] = $this->meta->get_field_schema();

		$this->schema = $schema;

		return $this->add_additional_fields_schema( $this->schema );
	}

	/**
	 * Retrieves the query params for collections.
	 *
	 * @since 4.7.0
	 *
	 * @return array Collection parameters.
	 */
	public function get_collection_params() {
		$query_params = parent::get_collection_params();
		$taxonomy     = get_taxonomy( $this->taxonomy );

		$query_params['context']['default'] = 'view';

		$query_params['exclude'] = array(
			'description' => __( 'Ensure result set excludes specific IDs.' ),
			'type'        => 'array',
			'items'       => array(
				'type' => 'integer',
			),
			'default'     => array(),
		);

		$query_params['include'] = array(
			'description' => __( 'Limit result set to specific IDs.' ),
			'type'        => 'array',
			'items'       => array(
				'type' => 'integer',
			),
			'default'     => array(),
		);

		if ( ! $taxonomy->hierarchical ) {
			$query_params['offset'] = array(
				'description' => __( 'Offset the result set by a specific number of items.' ),
				'type'        => 'integer',
			);
		}

		$query_params['order'] = array(
			'description' => __( 'Order sort attribute ascending or descending.' ),
			'type'        => 'string',
			'default'     => 'asc',
			'enum'        => array(
				'asc',
				'desc',
			),
		);

		$query_params['orderby'] = array(
			'description' => __( 'Sort collection by term attribute.' ),
			'type'        => 'string',
			'default'     => 'name',
			'enum'        => array(
				'id',
				'include',
				'name',
				'slug',
				'include_slugs',
				'term_group',
				'description',
				'count',
			),
		);

		$query_params['hide_empty'] = array(
			'description' => __( 'Whether to hide terms not assigned to any posts.' ),
			'type'        => 'boolean',
			'default'     => false,
		);

		if ( $taxonomy->hierarchical ) {
			$query_params['parent'] = array(
				'description' => __( 'Limit result set to terms assigned to a specific parent.' ),
				'type'        => 'integer',
			);
		}

		$query_params['post'] = array(
			'description' => __( 'Limit result set to terms assigned to a specific post.' ),
			'type'        => 'integer',
			'default'     => null,
		);

		$query_params['slug'] = array(
			'description' => __( 'Limit result set to terms with one or more specific slugs.' ),
			'type'        => 'array',
			'items'       => array(
				'type' => 'string',
			),
		);

		/**
		 * Filters collection parameters for the terms controller.
		 *
		 * The dynamic part of the filter `$this->taxonomy` refers to the taxonomy
		 * slug for the controller.
		 *
		 * This filter registers the collection parameter, but does not map the
		 * collection parameter to an internal WP_Term_Query parameter.  Use the
		 * `rest_{$this->taxonomy}_query` filter to set WP_Term_Query parameters.
		 *
		 * @since 4.7.0
		 *
		 * @param array       $query_params JSON Schema-formatted collection parameters.
		 * @param WP_Taxonomy $taxonomy     Taxonomy object.
		 */
		return apply_filters( "rest_{$this->taxonomy}_collection_params", $query_params, $taxonomy );
	}

	/**
	 * Checks that the taxonomy is valid.
	 *
	 * @since 4.7.0
	 *
	 * @param string $taxonomy Taxonomy to check.
	 * @return bool Whether the taxonomy is allowed for REST management.
	 */
	protected function check_is_taxonomy_allowed( $taxonomy ) {
		$taxonomy_obj = get_taxonomy( $taxonomy );
		if ( $taxonomy_obj && ! empty( $taxonomy_obj->show_in_rest ) ) {
			return true;
		}
		return false;
	}
}