Schema.org additionalProperty: Additional property-value characteristics.
Schema.org maxValue: The upper value of some characteristic or property.
Schema.org minValue: The lower value of some characteristic or property.
Schema.org unitCode: The unit of measurement as a UN/CEFACT code or URL.
Schema.org unitText: A string indicating the unit of measurement.
Schema.org value: The value of a QuantitativeValue node.
Schema.org valueReference: Secondary information about the original value.
Runtime CRDT state surface for Schema.org QuantitativeValue.