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interface OptionsResolverInterface deprecated

mixed offsetGet(string $option) Returns the resolved value of an option.

OptionsResolver remove(string|string[]

OptionsResolver addAllowedValues(string

bool hasDefault(string $option) Returns whether a default value is set for an option. Returns

bool isMissing(string $option) Returns whether an option is missing a default value. An

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bool isDefined(string $option) Returns whether an option is defined. Returns true for