SPAN_FLAGS_DO_NOT_USE constant
SpanFlags
const SPAN_FLAGS_DO_NOT_USE
The zero value for the enum. Should not be used for comparisons. Instead use bitwise "and" with the appropriate mask as shown above.
Implementation
static const SpanFlags SPAN_FLAGS_DO_NOT_USE =
SpanFlags._(0, _omitEnumNames ? '' : 'SPAN_FLAGS_DO_NOT_USE');