MultiSourceSpanException constructor
- String message,
- SourceSpan? span,
- String primaryLabel,
- Map<SourceSpan, String> secondarySpans,
Implementation
MultiSourceSpanException(super.message, super.span, this.primaryLabel,
    Map<SourceSpan, String> secondarySpans)
    : secondarySpans = Map.unmodifiable(secondarySpans);