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input.accessibilityAttributeNames.has(AXRequired)='yes' input.accessibilityAttributeValue(AXRequired)=0 input_required.accessibilityAttributeNames.has(AXRequired)='yes' input_required.accessibilityAttributeValue(AXRequired)=1 not_applicable.accessibilityAttributeNames.has(AXRequired)='no' not_applicable.accessibilityAttributeValue(AXRequired)=0