string[] getMissingOptions() Returns the names of all options missing a default value.

string[] getRequiredOptions() Returns the names of all required options.

Op

string[] getDefinedOptions() Returns the names of all defined options.

bool isRequired(string $option) Returns whether an option is required. An option is required

OptionsResolver setAllowedTypes(string

OptionsResolver setAllowedValues(string

array resolve(array $options = array()) Returns the combination of the default and the passed

bool isKnown(string $option) Returns whether an option is known. An option is known if

Op