bool isRequired(string $option) Returns whether an option is required. An option is required
array resolve(array $options = array()) Returns the combination of the default and the passed
OptionsResolver setAllowedTypes(string
OptionsResolver setAllowedValues(string
Op
string[] getRequiredOptions() Returns the names of all required options.
OptionsResolver setDefined(string|string[]
bool isKnown(string $option) Returns whether an option is known. An option is known if
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