:             - Akeneo\Tool\Bundle\MeasureBundle\Validation\MeasurementFamily\OperationCount: ~             - All:                 - Collection:                     fields:                         operator:                             - NotBlank: ~                             - Type: string                             - Choice:                                 choices: [mul, div, add, sub]                                 message: pim_measurements.validation.measurement_family.units.operation.invalid_operator                         value:                             - Akeneo\Tool\Bundle\MeasureBundle\Validation\MeasurementFamily\OperationValue: ~