/**
 * Decode a `message_summary_info` blob from chat.db.
 *
 * The blob is a binary plist (bplist00) that Apple's Messages app writes when
 * a message is edited or unsent.  Its top-level keys:
 *   - `ec`   — dict of message-part-index → array of edit entries (each with
 *              `t` = typedstream attributed-text blob, `d` = Core Data timestamp)
 *   - `ust`  — boolean, true on virtually every row
 *   - `ams`  — abbreviated summary of the current/retracted text (if present)
 *
 * @returns `editedTexts` — ordered prior revisions extracted from `ec[*][*].t`
 *                          (oldest first); empty when no edit history.
 *          `unsent`      — true when the message was retracted: no `ec` key
 *                          (no edit chain) and `ust` is true, i.e. the body
 *                          was removed entirely.
 */
export declare function parseMessageSummary(buf: Buffer): {
    editedTexts: string[];
    unsent: boolean;
};
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