*/
	$backup_global_post = ! empty( $post ) ? clone $post : $post;
	$backup_wp_scripts  = ! empty( $wp_scripts ) ? clone $wp_scripts : $wp_scripts;
	$backup_wp_styles   = ! empty( $wp_styles ) ? clone $wp_styles : $wp_styles;

	foreach ( $preload_paths as &$path ) {
		if ( is_string( $path ) && ! str_starts_with( $path, '/' ) ) {
			$path = '/' . $path;
			continue;
		}

		if ( is_array( $path ) && is_string( $path[0] ) && ! str_starts_with( $path[0], '/' ) ) {
			$path[0] = '/' . $path[0];
		}
	}

	unset( $path );

	$preload_data = array_reduce(
		$preload_paths,
		'rest_preload_api_request',
		array()
	);

	// Restore the global $post, $wp_scripts, and $wp_styles as they were before API preloading.
	$post       = $backup_global_post;
	$wp_scripts = $backup_wp_scripts;
	$wp_styles  = $backup_wp_styles;

	wp_add_inline_script(
		'wp-api-fetch',
		sprintf(
			'wp.apiFetch.use( wp.apiFetch.createPreloadingMiddleware( %s ) );',
			wp_json_encode( $preload_data )
		),
		'after'
	);
}

/**
 * Creates an array of theme styles to load into the block editor.
 *
 * @since 5.8.0
 *
 * @global array $editor_styles
 *
 * @return array An array of theme styles for the block editor.
 */
function get_block_editor_theme_styles() {
	global $editor_styles;

	$styles = array();

	if ( $editor_styles && current_theme_supports( 'editor-styles' ) ) {
		foreach ( $editor_styles as $style ) {
			if ( preg_match( '~^(https?:)?//~', $style ) ) {
				$response = wp_remote_get( $style );
				if ( ! is_wp_error( $response ) ) {
					$styles[] = array(
						'css'            => wp_remote_retrieve_body( $response ),
						'__unstableType' => 'theme',
						'isGlobalStyles' => false,
					);
				}
			} else {
				$file = get_theme_file_path( $style );
				if ( is_file( $file ) ) {
					$styles[] = array(
						'css'            => file_get_contents( $file ),
						'baseURL'        => get_theme_file_uri( $style ),
						'__unstableType' => 'theme',
						'isGlobalStyles' => false,
					);
				}
			}
		}
	}

	return $styles;
}

/**
 * Returns the classic theme supports settings for block editor.
 *
 * @since 6.2.0
 *
 * @return array The classic theme supports settings.
 */
function get_classic_theme_supports_block_editor_settings() {
	$theme_settings = array(
		'disableCustomColors'    => get_theme_support( 'disable-custom-colors' ),
		'disableCustomFontSizes' => get_theme_support( 'disable-custom-font-sizes' ),
		'disableCustomGradients' => get_theme_support( 'disable-custom-gradients' ),
		'disableLayoutStyles'    => get_theme_support( 'disable-layout-styles' ),
		'enableCustomLineHeight' => get_theme_support( 'custom-line-height' ),
		'enableCustomSpacing'    => get_theme_support( 'custom-spacing' ),
		'enableCustomUnits'      => get_theme_support( 'custom-units' ),
	);

	// Theme settings.
	$color_palette = current( (array) get_theme_support( 'editor-color-palette' ) );
	if ( false !== $color_palette ) {
		$theme_settings['colors'] = $color_palette;
	}

	$font_sizes = current( (array) get_theme_support( 'editor-font-sizes' ) );
	if ( false !== $font_sizes ) {
		$theme_settings['fontSizes'] = $font_sizes;
	}

	$gradient_presets = current( (array) get_theme_support( 'editor-gradient-presets' ) );
	if ( false !== $gradient_presets ) {
		$theme_settings['gradients'] = $gradient_presets;
	}

	return $theme_settings;
}