bool isValueOptional() Returns true if the option takes an optional value. Return Value bool true if value mode is self::VALUE_OPTIONAL, false otherwise

Response sendHeaders() Sends HTTP headers. Return Value Response

KernelInterface getKernel() Returns the kernel. Return Value KernelInterface

setId(string $id) Sets the session ID. Parameters string $id

parseExpression($precedence) Parameters $precedence

static array getLocales() Returns all available locale codes. Return Value array The locale codes Exceptions RuntimeException When the resource bundles cannot be loaded

int getCreated() Gets the created timestamp metadata. Return Value int Unix timestamp

bool isProxyCandidate(Definition $definition) Inspects whether the given definitions should produce proxy instantiation logic in the dumped container. Parameters Definition $definition Return Value bool

string getPath() Gets the Bundle directory path. Return Value string The Bundle absolute path

clear() Clears all parameters. Exceptions LogicException if the ParameterBagInterface can not be cleared