class Net::IMAP::BodyTypeBasic


Net::IMAP@Message+envelope+and+body+structure for other relevant RFCs.
for full description of all BODYSTRUCTURE fields, and also
and {[IMAP4rev2] §7.5.2}[https://www.rfc-editor.org/rfc/rfc9051#section-7.5.2-4.9]
See {[IMAP4rev1] §7.4.2}[https://www.rfc-editor.org/rfc/rfc3501#section-7.4.2]

BodyTypeText, BodyTypeMessage, or BodyTypeMultipart.
message parts, unless they have a Content-Type that is handled by
Net::IMAP::BodyTypeBasic represents basic body structures of messages and

def media_subtype

++
for something else?
TODO: why not just keep this as an alias? Would "media_subtype" be used
--
to +stderr+, then return the value of +subtype+.
Use +subtype+ instead. Calling this will generate a warning message
[Obsolete]
>>>

:call-seq: media_subtype -> subtype 
def media_subtype
  warn("media_subtype is obsolete, use subtype instead.\n",
       uplevel: 1, category: :deprecated)
  return subtype
end

def multipart?

BodyTypeBasic is not used for multipart MIME parts.

:call-seq: multipart? -> false
# 
def multipart?
  return false
end