24     public $safeClasses = [];  variable in Twig\\Extension\\EscaperExtension
114     public function setSafeClasses(array $safeClasses = [])  argument
116         $this->safeClasses = [];
118         foreach ($safeClasses as $class => $strategies) {
126         if (!isset($this->safeClasses[$class])) {
127             $this->safeClasses[$class] = [];
129         $this->safeClasses[$class] = array_merge($this->safeClasses[$class], $strategies);
182                 if (!isset($ext->safeClasses[$c])) {
183                     $ext->safeClasses[$c] = [];
185                         if (isset($ext->safeClasses[$class])) {
186 …$ext->safeClasses[$c] = array_unique(array_merge($ext->safeClasses[$c], $ext->safeClasses[$class])…
187                             foreach ($ext->safeClasses[$class] as $s) {