array getDescriptors() Returns an array of descriptors for the use of proc_open. Return Value array

DescriptorHelper register(string $format, DescriptorInterface $descriptor) Registers a descriptor. Parameters string $format DescriptorInterface $descriptor Return Value DescriptorHelper

bool hasListeners(string $eventName = null) Checks whether an event has any registered listeners. Parameters string $eventName The name of the event Return Value bool true if the specified event has any listeners, false otherwise

bool offsetExists(string $option) Returns whether a resolved option with the given name exists. Parameters string $option The option name Return Value bool Whether the option is set Exceptions AccessException If accessing this method outside of {@link resolve()} See also \ArrayAccess::offsetExists()

bool isAutoExitEnabled() Gets whether to automatically exit after a command execution or not. Return Value bool Whether to automatically exit after a command execution or not

string getContents() Returns the contents of the file. Return Value string the contents of the file Exceptions RuntimeException

setOption(string $option) Sets some specific style option. Parameters string $option The option name

bool hasVary() Returns true if the response includes a Vary header. Return Value bool true if the response includes a Vary header, false otherwise

setConstraint(Constraint $constraint) Sets the currently validated constraint. Parameters Constraint $constraint The validated constraint

getKey()