public MimePartSpan(MessageSpan span, MessageSpan headerSpan, MessageSpan contentSpan) : this(
span,
headerSpan,
contentSpan,
ImmutableArray <MimePartSpan> .Empty)
{
}
public MimePartSpan(
MessageSpan span,
MessageSpan headerSpan,
MessageSpan contentSpan,
ImmutableArray <MimePartSpan> parts)
{
Span = span;
HeaderSpan = headerSpan;
ContentSpan = contentSpan;
Parts = parts;
}