vidual_property_definition['path'] ) ) {
			return array();
		}

		/*
		 * The first item in $individual_property_definition['path'] array
		 * tells us the style property, e.g. "border". We use this to get a corresponding
		 * CSS style definition such as "color" or "width" from the same group.
		 *
		 * The second item in $individual_property_definition['path'] array
		 * refers to the individual property marker, e.g. "top".
		 */
		$definition_group_key    = $individual_property_definition['path'][0];
		$individual_property_key = $individual_property_definition['path'][1];
		$should_skip_css_vars    = isset( $options['convert_vars_to_classnames'] ) && true === $options['convert_vars_to_classnames'];
		$css_declarations        = array();

		foreach ( $style_value as $css_property => $value ) {
			if ( empty( $value ) ) {
				continue;
			}

			// Build a path to the individual rules in definitions.
			$style_definition_path = array( $definition_group_key, $css_property );
			$style_definition      = _wp_array_get( static::BLOCK_STYLE_DEFINITIONS_METADATA, $style_definition_path, null );

			if ( $style_definition && isset( $style_definition['property_keys']['individual'] ) ) {
				// Set a CSS var if there is a valid preset value.
				if ( is_string( $value ) && str_contains( $value, 'var:' )
					&& ! $should_skip_css_vars && ! empty( $individual_property_definition['css_vars'] )
				) {
					$value = static::get_css_var_value( $value, $individual_property_definition['css_vars'] );
				}

				$individual_css_property = sprintf( $style_definition['property_keys']['individual'], $individual_property_key );

				$css_declarations[ $individual_css_property ] = $value;
			}
		}
		return $css_declarations;
	}

	/**
	 * Style value parser that constructs a CSS definition array comprising a single CSS property and value.
	 * If the provided value is an array containing a `url` property, the function will return a CSS definition array
	 * with a single property and value, with `url` escaped and injected into a CSS `url()` function,
	 * e.g., array( 'background-image' => "url( '...' )" ).
	 *
	 * @since 6.4.0
	 *
	 * @param array $style_value      A single raw style value from $block_styles array.
	 * @param array $style_definition A single style definition from BLOCK_STYLE_DEFINITIONS_METADATA.
	 * @return string[] An associative array of CSS definitions, e.g., array( "$property" => "$value", "$property" => "$value" ).
	 */
	protected static function get_url_or_value_css_declaration( $style_value, $style_definition ) {
		if ( empty( $style_value ) ) {
			return array();
		}

		$css_declarations = array();

		if ( isset( $style_definition['property_keys']['default'] ) ) {
			$value = null;

			if ( ! empty( $style_value['url'] ) ) {
				$value = "url('" . $style_value['url'] . "')";
			} elseif ( is_string( $style_value ) ) {
				$value = $style_value;
			}

			if ( null !== $value ) {
				$css_declarations[ $style_definition['property_keys']['default'] ] = $value;
			}
		}

		return $css_declarations;
	}

	/**
	 * Returns compiled CSS from CSS declarations.
	 *
	 * @since 6.1.0
	 *
	 * @param string[] $css_declarations An associative array of CSS definitions,
	 *                                   e.g. `array( "$property" => "$value", "$property" => "$value" )`.
	 * @param string   $css_selector     When a selector is passed, the function will return
	 *                                   a full CSS rule `$selector { ...rules }`,
	 *                                   otherwise a concatenated string of properties and values.
	 * @return string A compiled CSS string.
	 */
	public static function compile_css( $css_declarations, $css_selector ) {
		if ( empty( $css_declarations ) || ! is_array( $css_declarations ) ) {
			return '';
		}

		// Return an entire rule if there is a selector.
		if ( $css_selector ) {
			$css_rule = new WP_Style_Engine_CSS_Rule( $css_selector, $css_declarations );
			return $css_rule->get_css();
		}

		$css_declarations = new WP_Style_Engine_CSS_Declarations( $css_declarations );
		return $css_declarations->get_declarations_string();
	}

	/**
	 * Returns a compiled stylesheet from stored CSS rules.
	 *
	 * @since 6.1.0
	 *
	 * @param WP_Style_Engine_CSS_Rule[] $css_rules An array of WP_Style_Engine_CSS_Rule objects
	 *                                              from a store or otherwise.
	 * @param array                      $options   {
	 *     Optional. An array of options. Default empty array.
	 *
	 *     @type string|null $context  An identifier describing the origin of the style object,
	 *                                 e.g. 'block-supports' or 'global-styles'. Default 'block-supports'.
	 *                                 When set, the style engine will attempt to store the CSS rules.
	 *     @type bool        $optimize Whether to optimize the CSS output, e.g. combine rules.
	 *                                 Default false.
	 *     @type bool        $prettify Whether to add new lines and indents to output.
	 *                                 Defaults to whether the `SCRIPT_DEBUG` constant is defined.
	 * }
	 * @return string A compiled stylesheet from stored CSS rules.
	 */
	public static function compile_stylesheet_from_css_rules( $css_rules, $options = array() ) {
		$processor = new WP_Style_Engine_Processor();
		$processor->add_rules( $css_rules );
		return $processor->get_css( $options );
	}
}