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

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interface OptionsResolverInterface deprecated

OptionsResolver remove(string|string[]

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bool offsetExists(string $option) Returns whether a resolved option with the given name exists

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

OptionsResolver clear()

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

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