export type OpeningOptionType = 'closing' | 'snapshot';
export type OpeningOption = {
    label: string;
    value: string;
    type: OpeningOptionType;
    date: Date;
};
/**
 * Generate opening options from closings and/or snapshots with revision numbers
 * for entries that share the same second timestamp.
 *
 * @param closings - Array of FdoClosing documents
 * @param snapshots - Array of FdoStockSnapshot documents (optional)
 * @returns Array of OpeningOption sorted by date descending
 */
export declare function generateOpeningOptions(closings: FdoClosing[], snapshots?: FdoStockSnapshot[]): OpeningOption[];
/**
 * Given an array of closing draft entries, returns a Map from each closing ID
 * to its display string in the format "yyyymmdd-XXXX" (e.g., "20260224-0001").
 *
 * Grouping is by the closing document's date (yyyymmdd).
 * Counter order within each day is determined by draftCreatedAt ascending
 * (the time the closing draft itself was created), so the sequence reflects
 * the order drafts were created regardless of the closing's effective time.
 *
 * @param entries - Array of { closingId, draftCreatedAt } pairs
 * @returns Map<closingId, "yyyymmdd-XXXX">
 */
export declare function formatClosingIdDisplay(entries: {
    closingId: string;
    draftCreatedAt: Date;
}[]): Map<string, string>;