/**
 * One-shot calendar processing state.
 *
 * Tracks which emails have already been auto-processed for calendar/reminder
 * creation via the hook system. Once an email is marked as processed, the
 * auto-trigger is suppressed — the user must explicitly instruct the AI to
 * create further events or reminders for that email.
 *
 * Manual tool calls (add_to_calendar, create_reminder) always work regardless
 * of this state — it only gates the automatic hook trigger.
 */
export type CalendarAction = 'event' | 'reminder' | 'both' | 'skipped';
export interface ProcessedEntry {
    processedAt: string;
    action: CalendarAction;
    title?: string;
}
/** Returns true if this email has already been auto-processed by the hook system. */
export declare function isCalendarProcessed(accountName: string, emailId: string): Promise<boolean>;
/** Marks an email as processed so the hook auto-trigger won't fire again. */
export declare function markCalendarProcessed(accountName: string, emailId: string, action: CalendarAction, title?: string): Promise<void>;
/** Returns all processed entries (for inspection/debugging). */
export declare function listCalendarProcessed(): Promise<{
    key: string;
    entry: ProcessedEntry;
}[]>;
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