apply_filters( 'wp_admin_css', string $stylesheet_link, string $file )

5048	 *5049	 * @since 2.3.05050	 * @param string $stylesheet_link HTML link element for the stylesheet.5051	 * @param string $file            Style handle name or filename (without ".css" extension)5052	 *                                relative to wp-admin/. Defaults to 'wp-admin'.5053	 */5054	echo apply_filters( 'wp_admin_css', $stylesheet_link, $file );5055 5056	if ( function_exists( 'is_rtl' ) && is_rtl() ) {5057		$rtl_stylesheet_link = sprintf(5058			"<link rel='stylesheet' href='%s' type='text/css' />\n",5059			esc_url( wp_admin_css_uri( "$file-rtl" ) )5060		);