245      * @param string    $parameter
250     public function boolean(string $parameter, bool|null $default = null): bool  argument
252         $value = $this->parameters[$parameter] ?? null;
263 …  throw new HttpBadRequestException(I18N::translate('The parameter “%s” is missing.', $parameter));
270      * @param string $parameter
274     public function array(string $parameter): array  argument
276         $value = $this->parameters[$parameter] ?? null;
279 …  throw new HttpBadRequestException(I18N::translate('The parameter “%s” is missing.', $parameter));
288      * @param string   $parameter
293     public function float(string $parameter, float|null $default = null): float  argument
295         $value = $this->parameters[$parameter] ?? null;
308 …  throw new HttpBadRequestException(I18N::translate('The parameter “%s” is missing.', $parameter));
315      * @param string   $parameter
320     public function integer(string $parameter, int|null $default = null): int  argument
322         $value = $this->parameters[$parameter] ?? null;
341 …  throw new HttpBadRequestException(I18N::translate('The parameter “%s” is missing.', $parameter));
348      * @param string $parameter
352     public function route(string $parameter = 'route'): Route  argument
354         $value = $this->parameters[$parameter] ?? null;
360 …  throw new HttpBadRequestException(I18N::translate('The parameter “%s” is missing.', $parameter));
364      * @param string      $parameter
369     public function string(string $parameter, string|null $default = null): string  argument
371         $value = $this->parameters[$parameter] ?? null;
382 …  throw new HttpBadRequestException(I18N::translate('The parameter “%s” is missing.', $parameter));
389      * @param string $parameter
393     public function tree(string $parameter = 'tree'): Tree  argument
395         $value = $this->parameters[$parameter] ?? null;
401 …  throw new HttpBadRequestException(I18N::translate('The parameter “%s” is missing.', $parameter));
404     public function treeOptional(string $parameter = 'tree'): Tree|null  argument
406         $value = $this->parameters[$parameter] ?? null;
412 …  throw new HttpBadRequestException(I18N::translate('The parameter “%s” is missing.', $parameter));
415     public function user(string $parameter = 'user'): UserInterface  argument
417         $value = $this->parameters[$parameter] ?? null;
423 …  throw new HttpBadRequestException(I18N::translate('The parameter “%s” is missing.', $parameter));