string[] getLocaleNames(string $displayLocale = null) Returns the names of all known locales

deleteClassAce(int $index) Deletes a class-based ACE

setAttribute(string $name, mixed $value) Sets an attribute by name.

string|null getFormat(string $mimeType) Gets the format associated with the mime type.

buildView(FormView $view,

string getBlockPrefix() Returns the prefix of the template block name for this type.

propertyChanged(mixed $sender, string $propertyName, mixed $oldValue, mixed $newValue) Implementation

StopwatchEvent getEvent(string $name)

class DelegatingEngine extends

string getName() Returns the canonical name of this helper.