mirror of
https://git.notmuchmail.org/git/notmuch
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246 lines
7.3 KiB
Text
246 lines
7.3 KiB
Text
This file describes the schemata used for notmuch's structured output
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format (currently JSON and S-Expressions).
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[]'s indicate lists. List items can be marked with a '?', meaning
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they are optional; or a '*', meaning there can be zero or more of that
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item. {}'s indicate an object that maps from field identifiers to
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values. An object field marked '?' is optional; one marked with '*'
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can repeat (with a different name). |'s indicate alternates (e.g.,
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int|string means something can be an int or a string).
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For S-Expression output, lists are printed delimited by () instead of
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[]. Objects are printed as p-lists, i.e. lists where the keys and values
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are interleaved. Keys are printed as keywords (symbols preceded by a
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colon), e.g. (:id "123" :time 54321 :from "foobar"). Null is printed as
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nil, true as t and false as nil.
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This is version 5 of the structured output format.
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Version history
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---------------
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v1
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- First versioned schema release.
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- Added part.content-length and part.content-transfer-encoding fields.
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v2
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- Added the thread_summary.query field.
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v3
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- Replaced message.filename string with a list of filenames.
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- Added part.content-disposition field.
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v4
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- replace signature error integer bitmask with a set of flags for
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individual errors.
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- (notmuch 0.29) added message.crypto to identify overall message
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cryptographic state
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v5
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- sorting support for notmuch show (no change to actual schema,
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just new command line argument)
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Common non-terminals
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--------------------
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# Number of seconds since the Epoch
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unix_time = int
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# Thread ID, sans "thread:"
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threadid = string
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# Message ID, sans "id:"
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messageid = string
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# E-mail header name, sans trailing colon, like "Subject" or "In-Reply-To"
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header_name = string
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notmuch show schema
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-------------------
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# A top-level set of threads (do_show)
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# Returned by notmuch show without a --part argument
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thread_set = [thread*]
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# Top-level messages in a thread (show_messages)
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thread = [thread_node*]
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# A message and its replies (show_messages)
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thread_node = [
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message|null, # null if not matched and not --entire-thread
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[thread_node*] # children of message
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]
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# A message (format_part_sprinter)
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message = {
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# (format_message_sprinter)
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id: messageid,
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match: bool,
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excluded: bool,
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filename: [string*],
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timestamp: unix_time, # date header as unix time
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date_relative: string, # user-friendly timestamp
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tags: [string*],
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headers: headers,
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crypto: crypto,
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duplicate: integer,
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body?: [part] # omitted if --body=false
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}
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# when showing the message, was any or all of it decrypted?
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msgdecstatus: "full"|"partial"
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# The overall cryptographic state of the message as a whole:
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crypto = {
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signed?: {
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status: sigstatus,
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# was the set of signatures described under encrypted cover?
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encrypted: bool,
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# which of the headers is covered by sigstatus?
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headers: [header_name*]
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},
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decrypted?: {
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status: msgdecstatus,
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# map encrypted headers that differed from the outside headers.
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# the value of each item in the map is what that field showed externally
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# (maybe null if it was not present in the external headers).
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header-mask: { header_name*: string|null }
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}
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}
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# A MIME part (format_part_sprinter)
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part = {
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id: int|string, # part id (currently DFS part number)
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encstatus?: encstatus,
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sigstatus?: sigstatus,
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content-type: string,
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content-disposition?: string,
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content-id?: string,
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# if content-type starts with "multipart/":
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content: [part*],
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# if content-type is "message/rfc822":
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content: [{headers: headers, body: [part]}],
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# otherwise (leaf parts):
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filename?: string,
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content-charset?: string,
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# A leaf part's body content is optional, but may be included if
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# it can be correctly encoded as a string. Consumers should use
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# this in preference to fetching the part content separately.
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content?: string,
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# If a leaf part's body content is not included, the length of
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# the encoded content (in bytes) may be given instead.
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content-length?: int,
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# If a leaf part's body content is not included, its transfer encoding
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# may be given. Using this and the encoded content length, it is
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# possible for the consumer to estimate the decoded content length.
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content-transfer-encoding?: string
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}
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# The headers of a message or part (format_headers_sprinter with reply = FALSE)
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headers = {
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Subject: string,
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From: string,
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To?: string,
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Cc?: string,
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Bcc?: string,
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Reply-To?: string,
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Date: string,
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extra_header_pair*
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}
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extra_header_pair= (header_name: string)
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# Encryption status (format_part_sprinter)
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encstatus = [{status: "good"|"bad"}]
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# Signature status (format_part_sigstatus_sprinter)
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sigstatus = [signature*]
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signature = {
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# (signature_status_to_string)
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status: "good"|"bad"|"error"|"unknown",
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# if status is "good":
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fingerprint?: string,
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created?: unix_time,
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expires?: unix_time,
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userid?: string
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email?: string
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# if status is not "good":
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keyid?: string
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errors?: sig_errors
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}
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sig_errors = {
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key-revoked?: bool,
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key-expired?: bool,
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sig-expired?: bool,
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key-missing?: bool,
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alg-unsupported?: bool,
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crl-missing?: bool,
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crl-too-old?: bool,
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bad-policy?: bool,
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sys-error?: bool,
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tofu-conflict?: bool
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}
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notmuch search schema
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---------------------
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# --output=summary
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search_summary = [thread_summary*]
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# --output=threads
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search_threads = [threadid*]
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# --output=messages
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search_messages = [messageid*]
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# --output=files
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search_files = [string*]
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# --output=tags
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search_tags = [string*]
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thread_summary = {
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thread: threadid,
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timestamp: unix_time,
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date_relative: string, # user-friendly timestamp
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matched: int, # number of matched messages
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total: int, # total messages in thread
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authors: string, # comma-separated names with | between
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# matched and unmatched
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subject: string,
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tags: [string*],
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# Two stable query strings identifying exactly the matched and
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# unmatched messages currently in this thread. The messages
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# matched by these queries will not change even if more messages
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# arrive in the thread. If there are no matched or unmatched
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# messages, the corresponding query will be null (there is no
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# query that matches nothing). (Added in schema version 2.)
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query: [string|null, string|null],
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}
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notmuch reply schema
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--------------------
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reply = {
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# The headers of the constructed reply
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reply-headers: reply_headers,
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# As in the show format (format_part_sprinter)
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original: message
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}
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# Reply headers (format_headers_sprinter with reply = TRUE)
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reply_headers = {
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Subject: string,
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From: string,
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To?: string,
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Cc?: string,
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Bcc?: string,
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In-reply-to: string,
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References: string
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}
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