export declare const MODIFY_HELP = "usage: gws-axi gmail modify <message-id> [--add-label <name>...] [--remove-label <name>...] [flags]\nargs[1]:\n  <message-id>           Message ID to modify (or thread ID with --thread)\nflags[5]:\n  --add-label <name>     Label to apply. Repeatable; also accepts comma lists.\n                         Accepts user labels AND system labels (INBOX, UNREAD,\n                         STARRED, IMPORTANT, SPAM, TRASH)\n  --remove-label <name>  Label to remove. Repeatable; same name rules as above\n  --thread               Treat <message-id> as a THREAD id and modify every\n                         message in the thread\n  --account <email>      REQUIRED when 2+ accounts are authenticated\n  --yes                  Reserved (no-op) \u2014 writes are already explicit\nexamples:\n  gws-axi gmail modify 1899abcd --remove-label INBOX          # archive\n  gws-axi gmail modify 1899abcd --remove-label UNREAD         # mark read\n  gws-axi gmail modify 1899abcd --add-label STARRED           # star\n  gws-axi gmail modify 1899abcd --add-label \"Work/Clients\" --remove-label INBOX\n  gws-axi gmail modify <thread-id> --thread --remove-label UNREAD\nnotes:\n  Gmail state IS labels \u2014 archive = remove INBOX, mark-read = remove UNREAD,\n  star = add STARRED, trash = add TRASH. Idempotent: adding a label already\n  present (or removing one already absent) is a safe no-op. At least one of\n  --add-label / --remove-label is required.\n";
export declare function gmailModifyCommand(account: string, args: string[]): Promise<string>;